SettingsChemical engineering
Accidental release source terms
Accidental release source terms are the mathematical equations that quantify the flow rate at which accidental releases of air pollutants into the ambient environment can occur at industrial fa...
Accidental release source terms are the mathematical equations that quantify the flow rate at which accidental releases of air pollutants into the ambient environment can occur at industrial fa...
Acid gas
Acid gas is natural gas or any other gas mixture which contains significant amounts of hydrogen sulfide (H2S), carbon dioxide (CO2), or similar contaminants.
Acid gas is natural gas or any other gas mixture which contains significant amounts of hydrogen sulfide (H2S), carbon dioxide (CO2), or similar contaminants.
Activated sludge
Activated sludge is a process for treating sewage and industrial wastewaters using air and a biological floc composed of bacteria and protozoans.
Activated sludge is a process for treating sewage and industrial wastewaters using air and a biological floc composed of bacteria and protozoans.
Actual cubic feet per minute
Actual cubic feet per minute (ACFM) is a unit of volumetric capacity.
Actual cubic feet per minute (ACFM) is a unit of volumetric capacity.
Adsorption
Adsorption is the adhesion of atoms, ions, or molecules from a gas, liquid, or dissolved solid to a surface.
Adsorption is the adhesion of atoms, ions, or molecules from a gas, liquid, or dissolved solid to a surface.
Aerated lagoon
An aerated lagoon or aerated basin is a holding and/or treatment pond provided with artificial aeration to promote the biological oxidation of wastewaters.
An aerated lagoon or aerated basin is a holding and/or treatment pond provided with artificial aeration to promote the biological oxidation of wastewaters.
Aerosil
Aerosil is a registered trademark for fumed silica product developed in 1942 by Degussa AG (currently Evonik Industries) in Germany.
Aerosil is a registered trademark for fumed silica product developed in 1942 by Degussa AG (currently Evonik Industries) in Germany.
Air dryer
A compressed air dryer is a device for removing water vapor from compressed air.
A compressed air dryer is a device for removing water vapor from compressed air.
Air permeability specific surface
The air permeability specific surface of a powder material is a single-parameter measurement of the fineness of the powder.
The air permeability specific surface of a powder material is a single-parameter measurement of the fineness of the powder.
Air pollutant concentrations
Air pollutant concentrations, as measured or as calculated by air pollution dispersion modeling, must often be converted or corrected to be expressed as required by the regulations issued by va...
Air pollutant concentrations, as measured or as calculated by air pollution dispersion modeling, must often be converted or corrected to be expressed as required by the regulations issued by va...
Air pollution dispersion terminology
Air pollution dispersion terminology includes the words and technical terms that have a special meaning to those who work in the field of air pollution dispersion modeling.
Air pollution dispersion terminology includes the words and technical terms that have a special meaning to those who work in the field of air pollution dispersion modeling.
Air preheater
An air preheater (APH) is a general term to describe any device designed to heat air before another process (for example, combustion in a boiler) with the primary objective of increasing the th...
An air preheater (APH) is a general term to describe any device designed to heat air before another process (for example, combustion in a boiler) with the primary objective of increasing the th...
Air separation
An air separation plant separates atmospheric air into its primary components, typically nitrogen and oxygen sometimes also argon and rarely other inert gases.
An air separation plant separates atmospheric air into its primary components, typically nitrogen and oxygen sometimes also argon and rarely other inert gases.
Air stripping
Air stripping is the transferring of volatile components of a liquid into an air stream.
Air stripping is the transferring of volatile components of a liquid into an air stream.
Aluminium battery
Aluminium batteries or aluminum batteries are commonly known as aluminium-air batteries or Al-air batteries, since they produce electricity from the reaction of oxygen in the air with ...
Aluminium batteries or aluminum batteries are commonly known as aluminium-air batteries or Al-air batteries, since they produce electricity from the reaction of oxygen in the air with ...
Aluminium-air battery
Aluminium batteries or aluminum batteries are commonly known as aluminium-air batteries or Al-air batteries, since they produce electricity from the reaction of oxygen in the air with ...
Aluminium batteries or aluminum batteries are commonly known as aluminium-air batteries or Al-air batteries, since they produce electricity from the reaction of oxygen in the air with ...
AP 42 Compilation of Air Pollutant Emission Factors
The AP 42 Compilation of Air Pollutant Emission Factors, was first published by the U.S. Public Health Service in 1968.
The AP 42 Compilation of Air Pollutant Emission Factors, was first published by the U.S. Public Health Service in 1968.
API oil-water separator
An API oil-water separator is a device designed to separate gross amounts of oil and suspended solids from the wastewater effluents of oil refineries, petrochemical plants, chemical plants, natu...
An API oil-water separator is a device designed to separate gross amounts of oil and suspended solids from the wastewater effluents of oil refineries, petrochemical plants, chemical plants, natu...
Aqueous Wastes from Petroleum and Petrochemical Plants
Aqueous Wastes from Petroleum and Petrochemical Plants is a book about the composition and treatment of the various wastewater streams produced in the hydrocarbon processing industries (i.e....
Aqueous Wastes from Petroleum and Petrochemical Plants is a book about the composition and treatment of the various wastewater streams produced in the hydrocarbon processing industries (i.e....
Artificial membrane
An artificial membrane, or synthetic membrane, is a synthetically created membrane which is usually intended for separation purposes in laboratory or in industry.
An artificial membrane, or synthetic membrane, is a synthetically created membrane which is usually intended for separation purposes in laboratory or in industry.
Atmosphere (unit)
The standard atmosphere is an international reference pressure defined as 101325 Pa and formerly used as unit of pressure.
The standard atmosphere is an international reference pressure defined as 101325 Pa and formerly used as unit of pressure.
Atmospheric dispersion modeling
Atmospheric dispersion modeling is the mathematical simulation of how air pollutants disperse in the ambient atmosphere.
Atmospheric dispersion modeling is the mathematical simulation of how air pollutants disperse in the ambient atmosphere.
Axial compressor
Axial compressors are rotating, airfoil based compressors in which the working fluid principally flows parallel to the axis of rotation.
Axial compressors are rotating, airfoil based compressors in which the working fluid principally flows parallel to the axis of rotation.
Basic sediment and water
Basic sediment and water is a technical specification of certain impurities in crude oil.
Basic sediment and water is a technical specification of certain impurities in crude oil.
Biochemical engineering
Biochemical engineering is a branch of chemical engineering or biological engineering that mainly deals with the design and construction of unit processes that involve biological organisms or m...
Biochemical engineering is a branch of chemical engineering or biological engineering that mainly deals with the design and construction of unit processes that involve biological organisms or m...
Biofilter
Biofiltration is a pollution control technique using living material to capture and biologically degrade process pollutants.
Biofiltration is a pollution control technique using living material to capture and biologically degrade process pollutants.
Bioheat transfer
Bioheat transfer is the study of heat transfer in biological systems.
Bioheat transfer is the study of heat transfer in biological systems.
Bioprocessor
A bioprocessor is a miniaturized bioreactor capable of culturing mammalian, insect and microbial cells.
A bioprocessor is a miniaturized bioreactor capable of culturing mammalian, insect and microbial cells.
Blowdown stack
A blowdown stack is a chimney or vertical stack that is used to vent the pressure of components of a chemical, refinery or other process if there is a process problem or emergency.
A blowdown stack is a chimney or vertical stack that is used to vent the pressure of components of a chemical, refinery or other process if there is a process problem or emergency.
Boiler (heat)
A boiler is a closed vessel in which water or other fluid is heated.
A boiler is a closed vessel in which water or other fluid is heated.
Boiler feedwater
Boiler feedwater is water used to supply ("feed") a boiler to generate steam or hot water.
Boiler feedwater is water used to supply ("feed") a boiler to generate steam or hot water.
BTX (chemistry)
In the petroleum refining and petrochemical industries, the acronym BTX refers to mixtures of benzene, toluene, and the three xylene isomers, all of which are aromatic hydrocarbons.
In the petroleum refining and petrochemical industries, the acronym BTX refers to mixtures of benzene, toluene, and the three xylene isomers, all of which are aromatic hydrocarbons.
Calibrated orifice
A calibrated orifice is a restriction that is deliberately placed into a system of pipes to set the flow rate through the system.
A calibrated orifice is a restriction that is deliberately placed into a system of pipes to set the flow rate through the system.
Cantera (software)
Cantera is an open-source chemical kinetics software used for solving chemically reacting laminar flows.
Cantera is an open-source chemical kinetics software used for solving chemically reacting laminar flows.
Carbochemistry
Carbochemistry is the branch of chemistry that studies the transformation of coals (bituminous coal, anthracite, lignite, graphite, and charcoal) into useful products and raw materials.
Carbochemistry is the branch of chemistry that studies the transformation of coals (bituminous coal, anthracite, lignite, graphite, and charcoal) into useful products and raw materials.
Carbon capture and storage
Carbon capture and storage (CCS), (carbon capture and sequestration), refers to technology attempting to prevent the release of large quantities of into the atmosphere from fossil ...
Carbon capture and storage (CCS), (carbon capture and sequestration), refers to technology attempting to prevent the release of large quantities of into the atmosphere from fossil ...
Carbon dioxide reforming
Carbon dioxide reforming (also known as dry reforming) is a method of producing synthesis gas (mixtures of hydrogen and carbon monoxide) from the reaction of carbon dioxide with hydrocarbo...
Carbon dioxide reforming (also known as dry reforming) is a method of producing synthesis gas (mixtures of hydrogen and carbon monoxide) from the reaction of carbon dioxide with hydrocarbo...
Carbon dioxide removal
Carbon dioxide removal methods refers to a number of technologies which reduce the levels of carbon dioxide in the atmosphere.
Carbon dioxide removal methods refers to a number of technologies which reduce the levels of carbon dioxide in the atmosphere.
Cascade (chemical engineering)
In chemical engineering, a cascade is a plant consisting of several similar stages with each processing the output from the previous stage.
In chemical engineering, a cascade is a plant consisting of several similar stages with each processing the output from the previous stage.
Catalycity
Catalycity is a macroscopic parameter to describe surface catalysis (heterogeneous catalysis).
Catalycity is a macroscopic parameter to describe surface catalysis (heterogeneous catalysis).
Catalytic reforming
Catalytic reforming is a chemical process used to convert petroleum refinery naphthas, typically having low octane ratings, into high-octane liquid products called reformates which are com...
Catalytic reforming is a chemical process used to convert petroleum refinery naphthas, typically having low octane ratings, into high-octane liquid products called reformates which are com...
Cement kiln
Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement, in which calcium carbonate reacts with silica-bearing minerals to form a mixtur...
Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement, in which calcium carbonate reacts with silica-bearing minerals to form a mixtur...
Cement mill
A cement mill (or finish mill in North American usage) is the equipment used to grind the hard, nodular clinker from the cement kiln into the fine grey powder that is cement.
A cement mill (or finish mill in North American usage) is the equipment used to grind the hard, nodular clinker from the cement kiln into the fine grey powder that is cement.
Centrifugal fan
A centrifugal fan (not to be confused with blowers) is a mechanical device for moving air or other gases with a very low increase in pressure.
A centrifugal fan (not to be confused with blowers) is a mechanical device for moving air or other gases with a very low increase in pressure.
Ceramic membrane
Ceramic membranes are a type of artificial membranes made from inorganic metarials.
Ceramic membranes are a type of artificial membranes made from inorganic metarials.
Chemical engineer
In the field of engineering, a chemical engineer is the profession in which one works principally in the chemical industry to convert basic raw materials into a variety of products, and deals w...
In the field of engineering, a chemical engineer is the profession in which one works principally in the chemical industry to convert basic raw materials into a variety of products, and deals w...
Chemical engineering
Chemical engineering is the branch of engineering that deals with physical science, and life sciences with mathematics and economics, to the process of converting raw materials or chemicals int...
Chemical engineering is the branch of engineering that deals with physical science, and life sciences with mathematics and economics, to the process of converting raw materials or chemicals int...
Chemical looping combustion
Chemical looping combustion typically employs a dual fluidized bed system where a metal oxide is employed as a bed material providing the oxygen for combustion in the fuel reactor.
Chemical looping combustion typically employs a dual fluidized bed system where a metal oxide is employed as a bed material providing the oxygen for combustion in the fuel reactor.
Chemical plant
A chemical plant is an industrial process plant that manufactures chemicals, usually on a large scale.
A chemical plant is an industrial process plant that manufactures chemicals, usually on a large scale.
Chemical process modeling
Chemical process modeling is a computer modeling technique used in chemical engineering process design.
Chemical process modeling is a computer modeling technique used in chemical engineering process design.
Chemical reaction engineering
Chemical reaction engineering (reaction engineering or reactor engineering) is a specialty in chemical engineering or industrial chemistry dealing with chemical reactors.
Chemical reaction engineering (reaction engineering or reactor engineering) is a specialty in chemical engineering or industrial chemistry dealing with chemical reactors.
Chemical WorkBench
Chemical WorkBench is a simulation software tool aimed at the reactor scale kinetic modeling of homogeneous gas-phase and heterogeneous processes and kinetic mechanism development.
Chemical WorkBench is a simulation software tool aimed at the reactor scale kinetic modeling of homogeneous gas-phase and heterogeneous processes and kinetic mechanism development.
CHEMKIN
CHEMKIN is a software tool for solving complex chemical kinetics problems.
CHEMKIN is a software tool for solving complex chemical kinetics problems.
Chevron STB process
The Chevron STB process (also known as Staged Turbulent Bed Retorting Process) is an above-ground shale oil extraction technology.
The Chevron STB process (also known as Staged Turbulent Bed Retorting Process) is an above-ground shale oil extraction technology.
Chilton and Colburn J-factor analogy
Chilton and Colburn J-factor analogy is a successful and widely used analogy from heat, momentum, and mass transfer analogies.
Chilton and Colburn J-factor analogy is a successful and widely used analogy from heat, momentum, and mass transfer analogies.
Chloride process
The chloride process is used to separate titanium from its ores.
The chloride process is used to separate titanium from its ores.
Choked flow
Choked flow is a compressible flow effect.
Choked flow is a compressible flow effect.
Claus process
The Claus process is the most significant gas desulfurizing process, recovering elemental sulfur from gaseous hydrogen sulfide.
The Claus process is the most significant gas desulfurizing process, recovering elemental sulfur from gaseous hydrogen sulfide.
Clausius-Clapeyron relation
The Clausius–Clapeyron relation, named after Rudolf Clausius and Benoît Paul Émile Clapeyron, who defined it sometime after 1834, is a way of characterizing a discontinuous phase transition betw...
The Clausius–Clapeyron relation, named after Rudolf Clausius and Benoît Paul Émile Clapeyron, who defined it sometime after 1834, is a way of characterizing a discontinuous phase transition betw...
Clausius–Clapeyron relation
The Clausius–Clapeyron relation, named after Rudolf Clausius and Benoît Paul Émile Clapeyron, who defined it sometime after 1834, is a way of characterizing a discontinuous phase transition betw...
The Clausius–Clapeyron relation, named after Rudolf Clausius and Benoît Paul Émile Clapeyron, who defined it sometime after 1834, is a way of characterizing a discontinuous phase transition betw...
Clean coal
Clean coal is an umbrella term used primarily to describe technologies that may reduce emissions of carbon dioxide and other greenhouse gas that arise from the burning of coal for electrical power.
Clean coal is an umbrella term used primarily to describe technologies that may reduce emissions of carbon dioxide and other greenhouse gas that arise from the burning of coal for electrical power.
Clean coal technology
Clean coal technology is a collection of technologies being developed to reduce the environmental impact of coal energy generation.
Clean coal technology is a collection of technologies being developed to reduce the environmental impact of coal energy generation.
Coal bed methane extraction
Coal bed methane extraction is a method for extracting methane from a coal deposit.
Coal bed methane extraction is a method for extracting methane from a coal deposit.
COCO simulator
The COCO Simulator is a free-of-charge, non-commercial, graphical, modular and CAPE-OPEN compliant, steady-state, sequential simulation process modeling environment.
The COCO Simulator is a free-of-charge, non-commercial, graphical, modular and CAPE-OPEN compliant, steady-state, sequential simulation process modeling environment.
Coker unit
A coker or coker unit is an oil refinery processing unit that converts the residual oil from the vacuum distillation column or the atmospheric distillation column into low molecular weight...
A coker or coker unit is an oil refinery processing unit that converts the residual oil from the vacuum distillation column or the atmospheric distillation column into low molecular weight...
Compressibility factor
The compressibility factor, also known as the compression factor, is a useful thermodynamic property for modifying the ideal gas law to account for the real gas behavior.
The compressibility factor, also known as the compression factor, is a useful thermodynamic property for modifying the ideal gas law to account for the real gas behavior.
Cooling tower
Cooling towers are heat removal devices used to transfer process waste heat to the atmosphere.
Cooling towers are heat removal devices used to transfer process waste heat to the atmosphere.
COSILAB
COSILAB is a software tool for solving complex chemical kinetics problems.
COSILAB is a software tool for solving complex chemical kinetics problems.
Council for Chemical Research
Council for Chemical Research is an organization based in Washington, DC, whose membership represents the U.S. chemical research enterprise.
Council for Chemical Research is an organization based in Washington, DC, whose membership represents the U.S. chemical research enterprise.
Countercurrent exchange
Countercurrent exchange is a mechanism occurring in nature and mimicked in industry and engineering, in which there is a crossover of some property, usually heat or some component, between two f...
Countercurrent exchange is a mechanism occurring in nature and mimicked in industry and engineering, in which there is a crossover of some property, usually heat or some component, between two f...
Cryo-adsorption
Cryo-adsorption is a method used for hydrogen storage where gaseous hydrogen at cryogenic temperatures (150 - 60 K) is physically adsorbed on porous material, mostly activated carbon.
Cryo-adsorption is a method used for hydrogen storage where gaseous hydrogen at cryogenic temperatures (150 - 60 K) is physically adsorbed on porous material, mostly activated carbon.
Cryogenic nitrogen plant
Nitrogen, as an element of great technical importance, can be produced in a cryogenic nitrogen plant with a purity of more than 99.9999%.
Nitrogen, as an element of great technical importance, can be produced in a cryogenic nitrogen plant with a purity of more than 99.9999%.
Cryogenic oxygen plant
A cryogenic oxygen plant is an industrial facility that creates molecular oxygen at relatively high purity.
A cryogenic oxygen plant is an industrial facility that creates molecular oxygen at relatively high purity.
Crystal engineering
Crystal engineering is the design and synthesis of molecular solid-state structures with desired properties, based on an understanding and exploitation of intermolecular interactions.
Crystal engineering is the design and synthesis of molecular solid-state structures with desired properties, based on an understanding and exploitation of intermolecular interactions.
Crystallization
Crystallization is the process of formation of solid crystals precipitating from a solution, melt or more rarely deposited directly from a gas.
Crystallization is the process of formation of solid crystals precipitating from a solution, melt or more rarely deposited directly from a gas.
CrystaSulf
CrystaSulf is a chemical process used for removing hydrogen sulfide from natural gas, synthesis gas and other gas streams in refineries and chemical plants.
CrystaSulf is a chemical process used for removing hydrogen sulfide from natural gas, synthesis gas and other gas streams in refineries and chemical plants.
Cyclonic separation
Cyclonic separation is a method of removing particulates from an air, gas or water stream, without the use of filters, through vortex separation.
Cyclonic separation is a method of removing particulates from an air, gas or water stream, without the use of filters, through vortex separation.
Dalton's law
In chemistry and physics, Dalton's law states that the total pressure exerted by the mixture of non-reactive gases is equal to the sum of the partial pressures of individual gases.
In chemistry and physics, Dalton's law states that the total pressure exerted by the mixture of non-reactive gases is equal to the sum of the partial pressures of individual gases.
Damköhler numbers
The Damköhler numbers (Da) are dimensionless numbers used in chemical engineering to relate chemical reaction timescale to other phenomena occurring in a system.
The Damköhler numbers (Da) are dimensionless numbers used in chemical engineering to relate chemical reaction timescale to other phenomena occurring in a system.
De-asphalter
A de-asphalter is a unit in a crude oil refinery or bitumen upgrader that separates asphalt from crude oil or bitumen.
A de-asphalter is a unit in a crude oil refinery or bitumen upgrader that separates asphalt from crude oil or bitumen.
Deaerator
A deaerator is a device that is widely used for the removal of air and other dissolved gases from the feedwater to steam-generating boilers.
A deaerator is a device that is widely used for the removal of air and other dissolved gases from the feedwater to steam-generating boilers.
Deal-Grove model
The Deal-Grove model mathematically describes the growth of an oxide layer on the surface of a material.
The Deal-Grove model mathematically describes the growth of an oxide layer on the surface of a material.
Degasification
Degasification is the removal of dissolved gases from liquids, especially water or aqueous solutions, in the fields of science and engineering.
Degasification is the removal of dissolved gases from liquids, especially water or aqueous solutions, in the fields of science and engineering.
Delayed coker
A delayed coker is a type of coker whose process consists of heating a residual oil feed to its thermal cracking temperature in a furnace with multiple parallel passes.
A delayed coker is a type of coker whose process consists of heating a residual oil feed to its thermal cracking temperature in a furnace with multiple parallel passes.
Demister (vapor)
A demister, is a device often fitted to vapor liquid separator vessels to enhance the removal of liquid droplets entrained in a vapor stream.
A demister, is a device often fitted to vapor liquid separator vessels to enhance the removal of liquid droplets entrained in a vapor stream.
Desalter
A desalter is a process unit on an oil refinery that removes salt from the crude oil.
A desalter is a process unit on an oil refinery that removes salt from the crude oil.
Destructive distillation
Destructive distillation is the chemical process involving the decomposition of feedstock by heating to a high temperature; the term generally applies to processing of organic material in th...
Destructive distillation is the chemical process involving the decomposition of feedstock by heating to a high temperature; the term generally applies to processing of organic material in th...
Desulfurisation
Desulfurisation is a chemical reaction involving the removal of sulfur from a molecule (e.g.
Desulfurisation is a chemical reaction involving the removal of sulfur from a molecule (e.g.
Detonation flame arrester
A detonation flame arrester (also spelled arrestor) is a device fitted to the opening of an enclosure or to the connecting pipe work of a system of enclosures and whose intended function i...
A detonation flame arrester (also spelled arrestor) is a device fitted to the opening of an enclosure or to the connecting pipe work of a system of enclosures and whose intended function i...
Dialysis tubing
Dialysis tubing is a type of semi- or partially permeable membrane tubing made from regenerated cellulose or cellophane.
Dialysis tubing is a type of semi- or partially permeable membrane tubing made from regenerated cellulose or cellophane.
Diaphragm compressor
A diaphragm compressor is a variant of the classic reciprocating compressor with backup and piston rings and rod seal.
A diaphragm compressor is a variant of the classic reciprocating compressor with backup and piston rings and rod seal.
Dispersive mass transfer
Dispersive mass transfer, in fluid dynamics, is the spreading of mass from highly concentrated areas to less concentrated areas.
Dispersive mass transfer, in fluid dynamics, is the spreading of mass from highly concentrated areas to less concentrated areas.
Dissolved air flotation
Dissolved air flotation (DAF) is a water treatment process that clarifies wastewaters (or other waters) by the removal of suspended matter such as oil or solids.
Dissolved air flotation (DAF) is a water treatment process that clarifies wastewaters (or other waters) by the removal of suspended matter such as oil or solids.
Downstream (petroleum industry)
The downstream oil sector is a term commonly used to refer to the refining of crude oil, and the selling and distribution of natural gas and products derived from crude oil.
The downstream oil sector is a term commonly used to refer to the refining of crude oil, and the selling and distribution of natural gas and products derived from crude oil.
Downstream processing
Downstream processing refers to the recovery and purification of biosynthetic products, particularly pharmaceuticals, from natural sources such as animal or plant tissue or fermentation broth, i...
Downstream processing refers to the recovery and purification of biosynthetic products, particularly pharmaceuticals, from natural sources such as animal or plant tissue or fermentation broth, i...
DWSIM
DWSIM is an open-source CAPE-OPEN compliant chemical process simulator for Windows, Linux and Mac.
DWSIM is an open-source CAPE-OPEN compliant chemical process simulator for Windows, Linux and Mac.
Dühring's rule
Dühring's rule states that a linear relationship exists between the temperatures at which two solutions exert the same vapor pressure.
Dühring's rule states that a linear relationship exists between the temperatures at which two solutions exert the same vapor pressure.
Electrochemical engineering
Electrochemical engineering is the branch of engineering dealing with the technological applications of electrochemical phenomena.
Electrochemical engineering is the branch of engineering dealing with the technological applications of electrochemical phenomena.
Electromechanical film
Electromechanical Film is a thin membrane whose thickness is related to an electric voltage.
Electromechanical Film is a thin membrane whose thickness is related to an electric voltage.
Electrostatic precipitator
An electrostatic precipitator (ESP), or electrostatic air cleaner is a particulate collection device that removes particles from a flowing gas (such as air) using the force of an ind...
An electrostatic precipitator (ESP), or electrostatic air cleaner is a particulate collection device that removes particles from a flowing gas (such as air) using the force of an ind...
Emission intensity
An emission intensity is the average emission rate of a given pollutant from a given source relative to the intensity of a specific activity; for example grams of carbon dioxide released per meg...
An emission intensity is the average emission rate of a given pollutant from a given source relative to the intensity of a specific activity; for example grams of carbon dioxide released per meg...
EMSO simulator
EMSO simulator is an equation-oriented process simulator with a graphical interface for modeling complex dynamic or steady-state processes.
EMSO simulator is an equation-oriented process simulator with a graphical interface for modeling complex dynamic or steady-state processes.
Entrainment (engineering)
Entrainment as commonly used in various branches of engineering may be defined as the entrapment of one substance by another substance.
Entrainment as commonly used in various branches of engineering may be defined as the entrapment of one substance by another substance.
Environmental engineering
Environmental engineering is the application of science and engineering principles to improve the natural environment (air, water, and/or land resources), to provide healthy water, air, and land...
Environmental engineering is the application of science and engineering principles to improve the natural environment (air, water, and/or land resources), to provide healthy water, air, and land...
Environmental engineering law
Environmental engineering law is a profession that requires an expertise in both environmental engineering and law.
Environmental engineering law is a profession that requires an expertise in both environmental engineering and law.
Equation of state
In physics and thermodynamics, an equation of state is a relation between state variables.
In physics and thermodynamics, an equation of state is a relation between state variables.
Eurokin
Founded in 1998, EUROKIN is a consortium of industrial and academic members whose aim is the implementation of best practice in the area of chemical reaction kinetics, particularly in the indust...
Founded in 1998, EUROKIN is a consortium of industrial and academic members whose aim is the implementation of best practice in the area of chemical reaction kinetics, particularly in the indust...
Evaporator
An evaporator is a device used to turn the liquid form of a chemical into its gaseous form.
An evaporator is a device used to turn the liquid form of a chemical into its gaseous form.
Exhaust gas recirculation
In internal combustion engines, exhaust gas recirculation is a nitrogen oxide emissions reduction technique used in petrol/gasoline and diesel engines.
In internal combustion engines, exhaust gas recirculation is a nitrogen oxide emissions reduction technique used in petrol/gasoline and diesel engines.
Feedwater heater
A feedwater heater is a power plant component used to pre-heat water delivered to a steam generating boiler.
A feedwater heater is a power plant component used to pre-heat water delivered to a steam generating boiler.
Fischer Assay
Fischer Assay is a standardized laboratory test for determining the oil yield from oil shale to be expected from a conventional shale oil extraction.
Fischer Assay is a standardized laboratory test for determining the oil yield from oil shale to be expected from a conventional shale oil extraction.
Flake ice machine
Flake ice machine is a type of ice making machine, widely been applied in the industrial field.
Flake ice machine is a type of ice making machine, widely been applied in the industrial field.
Flame arrester
A flame arrester (also spelled arrestor), deflagration arrester, or flame trap is a device that stops fuel combustion by extinguishing the flame.
A flame arrester (also spelled arrestor), deflagration arrester, or flame trap is a device that stops fuel combustion by extinguishing the flame.
Flange
A flange is an external or internal ridge, or rim, for strength, as the flange of an iron beam such as an I-beam or a T-beam; or for attachment to another object, as the flange on the end of a p...
A flange is an external or internal ridge, or rim, for strength, as the flange of an iron beam such as an I-beam or a T-beam; or for attachment to another object, as the flange on the end of a p...
Flow chemistry
In flow chemistry, a chemical reaction is run in a continuously flowing stream rather than in batch production.
In flow chemistry, a chemical reaction is run in a continuously flowing stream rather than in batch production.
Flow conditioning
Flow conditioning ensures that the “real world” environment closely resembles the “laboratory” environment for proper performance of inferential flowmeters like orifice, turbine, coriolis,ultras...
Flow conditioning ensures that the “real world” environment closely resembles the “laboratory” environment for proper performance of inferential flowmeters like orifice, turbine, coriolis,ultras...
Flue gas
Flue gas is gas that exits to the atmosphere via a flue, which is a pipe or channel for conveying exhaust gases from a fireplace, oven, furnace, boiler or steam generator.
Flue gas is gas that exits to the atmosphere via a flue, which is a pipe or channel for conveying exhaust gases from a fireplace, oven, furnace, boiler or steam generator.
Flue gas condensation
Flue gas condensation is a process, where flue gas is cooled below its water dew point and the heat released by the resulting condensation of water is recovered as low temperature heat.
Flue gas condensation is a process, where flue gas is cooled below its water dew point and the heat released by the resulting condensation of water is recovered as low temperature heat.
Flue gas emissions from fossil fuel combustion
Flue gas emissions from fossil fuel combustion refers to the combustion product gas resulting from the much as 10 to 25 volume percent or more of the flue gas.
Flue gas emissions from fossil fuel combustion refers to the combustion product gas resulting from the much as 10 to 25 volume percent or more of the flue gas.
Flue gas stack
A flue gas stack is a type of chimney, a vertical pipe, channel or similar structure through which combustion product gases called flue gases are exhausted to the outside air.
A flue gas stack is a type of chimney, a vertical pipe, channel or similar structure through which combustion product gases called flue gases are exhausted to the outside air.
Flue-gas desulfurization
Flue-gas desulfurization (FGD) is a set of technologies used to remove sulfur dioxide from exhaust flue gases of fossil-fuel power plants, and from the emissions of other sulfur oxide emitting p...
Flue-gas desulfurization (FGD) is a set of technologies used to remove sulfur dioxide from exhaust flue gases of fossil-fuel power plants, and from the emissions of other sulfur oxide emitting p...
Flue-gas emissions from fossil-fuel combustion
Flue-gas emissions from fossil-fuel combustion refers to the combustion product gas resulting from the burning of fossil fuels.
Flue-gas emissions from fossil-fuel combustion refers to the combustion product gas resulting from the burning of fossil fuels.
Fluid dynamics
In physics, fluid dynamics is a sub-discipline of fluid mechanics that deals with fluid flow—the natural science of fluids in motion.
In physics, fluid dynamics is a sub-discipline of fluid mechanics that deals with fluid flow—the natural science of fluids in motion.
Fluidization
Fluidization (or fluidisation) is a process similar to liquefaction whereby a granular material is converted from a static solid-like state to a dynamic fluid-like state.
Fluidization (or fluidisation) is a process similar to liquefaction whereby a granular material is converted from a static solid-like state to a dynamic fluid-like state.
Fluidized bed
A fluidized bed is formed when a quantity of a solid particulate substance (usually present in a holding vessel) is placed under appropriate conditions to cause the solid/fluid mixture to behave...
A fluidized bed is formed when a quantity of a solid particulate substance (usually present in a holding vessel) is placed under appropriate conditions to cause the solid/fluid mixture to behave...
Fluidized bed combustion
Fluidized bed combustion (FBC) is a combustion technology used in power plants.
Fluidized bed combustion (FBC) is a combustion technology used in power plants.
Foam fractionation
Foam fractionation is a chemical process in which hydrophobic molecules are preferentially separated from a liquid solution using rising columns of foam.
Foam fractionation is a chemical process in which hydrophobic molecules are preferentially separated from a liquid solution using rising columns of foam.
Food coating
Coating is an industrial process which consists in applying a liquid or a powder onto the surface of a product of any possible shape to convey new (usually organoleptic) properties.
Coating is an industrial process which consists in applying a liquid or a powder onto the surface of a product of any possible shape to convey new (usually organoleptic) properties.
Forced degradation
Forced degradation or accelerated degradation is a process whereby the natural degradation rate of a product or material is increased by the application of an additional stress.
Forced degradation or accelerated degradation is a process whereby the natural degradation rate of a product or material is increased by the application of an additional stress.
Fossil fuel reforming
Fossil fuel reforming is a method of producing hydrogen or other useful products from fossil fuels such as natural gas.
Fossil fuel reforming is a method of producing hydrogen or other useful products from fossil fuels such as natural gas.
Fractional crystallization (chemistry)
In chemistry, fractional crystallization is a method of refining substances based on differences in solubility.
In chemistry, fractional crystallization is a method of refining substances based on differences in solubility.
Fractionation Research
Fractionation Research Inc. (FRI) is an industry cooperative organization that researches the performance of industrial-scale mass transfer devices such as trays, packings and other colum...
Fractionation Research Inc. (FRI) is an industry cooperative organization that researches the performance of industrial-scale mass transfer devices such as trays, packings and other colum...
Froth flotation
Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.
Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.
Fundamentals of Stack Gas Dispersion
Fundamentals of Stack Gas Dispersion is a book devoted to the fundamentals of air pollution dispersion modeling of continuous, buoyant pollution plumes from stationary point sources.
Fundamentals of Stack Gas Dispersion is a book devoted to the fundamentals of air pollution dispersion modeling of continuous, buoyant pollution plumes from stationary point sources.
Fused quartz
Fused quartz and fused silica are types of glass containing primarily silica in amorphous (non-crystalline) form.
Fused quartz and fused silica are types of glass containing primarily silica in amorphous (non-crystalline) form.
FutureGen
FutureGen is a US government project announced by President George W. Bush in 2003; its initial plan involved the construction of a near zero-emissions coal-fueled power plant to produce hydroge...
FutureGen is a US government project announced by President George W. Bush in 2003; its initial plan involved the construction of a near zero-emissions coal-fueled power plant to produce hydroge...
Gas compressor
A gas compressor is a mechanical device that increases the pressure of a gas by reducing its volume.
A gas compressor is a mechanical device that increases the pressure of a gas by reducing its volume.
Gas flare
A gas flare, alternatively known as a flare stack, is an elevated vertical conveyance found accompanying the presence of oil wells, gas wells, rigs, refineries, chemical plants, natural ...
A gas flare, alternatively known as a flare stack, is an elevated vertical conveyance found accompanying the presence of oil wells, gas wells, rigs, refineries, chemical plants, natural ...
Glycol dehydration
Glycol dehydration is a liquid desiccant system for the removal of water from natural gas and natural gas liquids (NGL).
Glycol dehydration is a liquid desiccant system for the removal of water from natural gas and natural gas liquids (NGL).
Hazard analysis
A hazard analysis is used as the first step in a process used to assess risk.
A hazard analysis is used as the first step in a process used to assess risk.
Hazard and operability study
A hazard and operability study (HAZOP) is a structured and systematic examination of a planned or existing process or operation in order to identify and evaluate problems that may represent risk...
A hazard and operability study (HAZOP) is a structured and systematic examination of a planned or existing process or operation in order to identify and evaluate problems that may represent risk...
Hazard identification
A Hazard Identification Study or HAZID is a tool for hazard analysis, used early in a project as soon as process flow diagrams, draft heat and mass balances, and plot layouts are available.
A Hazard Identification Study or HAZID is a tool for hazard analysis, used early in a project as soon as process flow diagrams, draft heat and mass balances, and plot layouts are available.
Heat capacity
Heat capacity, or thermal capacity, is the measurable physical quantity that characterizes the amount of heat required to change a substance's temperature by a given amount.
Heat capacity, or thermal capacity, is the measurable physical quantity that characterizes the amount of heat required to change a substance's temperature by a given amount.
Heat of combustion
The heat of combustion is the energy released as heat when a compound undergoes complete combustion with oxygen under standard conditions.
The heat of combustion is the energy released as heat when a compound undergoes complete combustion with oxygen under standard conditions.
Heat transfer
Heat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy and heat between physical systems.
Heat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy and heat between physical systems.
Henry's law
In physics, Henry's law is one of the gas laws formulated by William Henry in 1803.
In physics, Henry's law is one of the gas laws formulated by William Henry in 1803.
Hexadecane
Hexadecane (also called cetane) is an alkane hydrocarbon with the chemical formula C16H34.
Hexadecane (also called cetane) is an alkane hydrocarbon with the chemical formula C16H34.
History of chemical engineering
Chemical engineering as a discipline is a little over one hundred years old.
Chemical engineering as a discipline is a little over one hundred years old.
Hydraulic retention time
The Hydraulic retention time (HRT) also known as Hydraulic residence time or t (tau), is a measure of the average length of time that a soluble compound remains in a constructed bior...
The Hydraulic retention time (HRT) also known as Hydraulic residence time or t (tau), is a measure of the average length of time that a soluble compound remains in a constructed bior...
Hydrocarbon dew point
The hydrocarbon dew point is the temperature at which the hydrocarbon components of any hydrocarbon-rich gas mixture, such as natural gas, will start to condense out of the gaseous phase.
The hydrocarbon dew point is the temperature at which the hydrocarbon components of any hydrocarbon-rich gas mixture, such as natural gas, will start to condense out of the gaseous phase.
Hydrodesulfurization
Hydrodesulfurization (HDS) is a catalytic chemical process widely used to remove sulfur (S) from natural gas and from refined petroleum products such as gasoline or petrol, jet fuel, kerosene, d...
Hydrodesulfurization (HDS) is a catalytic chemical process widely used to remove sulfur (S) from natural gas and from refined petroleum products such as gasoline or petrol, jet fuel, kerosene, d...
Hydrogen pinch
Hydrogen pinch analysis (HPA) is a hydrogen management method that originates from the concept of heat pinch analysis.
Hydrogen pinch analysis (HPA) is a hydrogen management method that originates from the concept of heat pinch analysis.
Hydrogen purifier
A hydrogen purifier is a device to purify hydrogen if hydrogen production is done from hydrocarbon sources, the ultra-high purified hydrogen is needed for applications like PEM fuel cells.
A hydrogen purifier is a device to purify hydrogen if hydrogen production is done from hydrocarbon sources, the ultra-high purified hydrogen is needed for applications like PEM fuel cells.
Hydrogenation
Hydrogenation, to treat with hydrogen, also a form of chemical reduction, is a chemical reaction between molecular hydrogen and another compound or element, usually in the presence of a catalyst.
Hydrogenation, to treat with hydrogen, also a form of chemical reduction, is a chemical reaction between molecular hydrogen and another compound or element, usually in the presence of a catalyst.
Hyperseal
Hyperseal is the brand name for a series of specialized paints developed by noted inventor Col.
Hyperseal is the brand name for a series of specialized paints developed by noted inventor Col.
Hytort process
Hytort process is an above-ground shale oil extraction process developed by the Institute of Gas Technology.
Hytort process is an above-ground shale oil extraction process developed by the Institute of Gas Technology.
Icemaker
An ice maker, ice generator,or ice machine may refer to either a consumer device for making ice, found inside a home freezer; a stand-alone appliance for making ice, or an industrial...
An ice maker, ice generator,or ice machine may refer to either a consumer device for making ice, found inside a home freezer; a stand-alone appliance for making ice, or an industrial...
Incineration
Incineration is a waste treatment process that involves the combustion of organic substances contained in waste materials.
Incineration is a waste treatment process that involves the combustion of organic substances contained in waste materials.
Induced gas flotation
Induced Gas Flotation (IGF) is a water treatment process that clarifies wastewaters (or other waters) by the removal of suspended matter such as oil or solids.
Induced Gas Flotation (IGF) is a water treatment process that clarifies wastewaters (or other waters) by the removal of suspended matter such as oil or solids.
Industrial gas
Industrial gas is a group of gases that are commercially manufactured and sold for uses in other applications.
Industrial gas is a group of gases that are commercially manufactured and sold for uses in other applications.
Industrial process imaging
Industrial Process Imaging, or Industrial Process Tomography or Process Tomography are methods use to form an image of a cross section of vessel or pipe in a chemical engineering or minera...
Industrial Process Imaging, or Industrial Process Tomography or Process Tomography are methods use to form an image of a cross section of vessel or pipe in a chemical engineering or minera...
Industrial wastewater treatment
Industrial wastewater treatment covers the mechanisms and processes used to treat waters that have been contaminated in some way by anthropogenic industrial or commercial activities prior to it...
Industrial wastewater treatment covers the mechanisms and processes used to treat waters that have been contaminated in some way by anthropogenic industrial or commercial activities prior to it...
Infrared open path detector
Infrared open path gas detectors send out a beam of infrared light, detecting gas anywhere along the path of the beam.
Infrared open path gas detectors send out a beam of infrared light, detecting gas anywhere along the path of the beam.
Infrared open-path detector
Infrared open-path gas detectors send out a beam of infrared light, detecting gas anywhere along the path of the beam.
Infrared open-path gas detectors send out a beam of infrared light, detecting gas anywhere along the path of the beam.
Injector
An injector, ejector, steam ejector, steam injector, eductor-jet pump or thermocompressor is a pump-like device that uses the Venturi effect of a converging-divergi...
An injector, ejector, steam ejector, steam injector, eductor-jet pump or thermocompressor is a pump-like device that uses the Venturi effect of a converging-divergi...
Institution of Fire Engineers
The Institution of Fire Engineers is a worldwide body that provides research, training, conferences and professional qualifications for firefighters and civilians who work in fields related to f...
The Institution of Fire Engineers is a worldwide body that provides research, training, conferences and professional qualifications for firefighters and civilians who work in fields related to f...
Instrumentation in petrochemical industries
Instrumentation in petrochemical industries are basically flowmeters, pressure transmitters, level meters, temperature instruments, and analysis instruments, etc.
Instrumentation in petrochemical industries are basically flowmeters, pressure transmitters, level meters, temperature instruments, and analysis instruments, etc.
Integrated gasification combined cycle
An integrated gasification combined cycle is a technology that turns coal into gas—synthesis gas.
An integrated gasification combined cycle is a technology that turns coal into gas—synthesis gas.
Inversion temperature
The inversion temperature in thermodynamics and cryogenics is the critical temperature below which a non-ideal gas (all gases in reality) that is expanded at constant enthalpy will experience a ...
The inversion temperature in thermodynamics and cryogenics is the critical temperature below which a non-ideal gas (all gases in reality) that is expanded at constant enthalpy will experience a ...
Joule-Thomson effect
In thermodynamics, the Joule–Thomson effect or Joule–Kelvin effect or Kelvin–Joule effect describes the temperature change of a gas or liquid when it is forced through a valve or por...
In thermodynamics, the Joule–Thomson effect or Joule–Kelvin effect or Kelvin–Joule effect describes the temperature change of a gas or liquid when it is forced through a valve or por...
Joule–Thomson effect
In thermodynamics, the Joule–Thomson effect or Joule–Kelvin effect or Kelvin–Joule effect describes the temperature change of a gas or liquid when it is forced through a valve or por...
In thermodynamics, the Joule–Thomson effect or Joule–Kelvin effect or Kelvin–Joule effect describes the temperature change of a gas or liquid when it is forced through a valve or por...
KENTORT II
KENTORT II is an above-ground shale oil extraction process developed by the Center for Applied Energy Research of the University of Kentucky.
KENTORT II is an above-ground shale oil extraction process developed by the Center for Applied Energy Research of the University of Kentucky.
Khimera
Khimera is a software product from Kintech Lab intended for calculation of the kinetic parameters of microscopic processes, thermodynamic and transport properties of substances and their mixture...
Khimera is a software product from Kintech Lab intended for calculation of the kinetic parameters of microscopic processes, thermodynamic and transport properties of substances and their mixture...
Lane hydrogen producer
The Lane hydrogen producer was an apparatus for hydrogen production based on the steam-iron process and water gas invented in 1903 by Howard Lane.
The Lane hydrogen producer was an apparatus for hydrogen production based on the steam-iron process and water gas invented in 1903 by Howard Lane.
Linde-Frank-Caro process
The Linde-Frank-Caro process is a method for hydrogen production by removing hydrogen and carbon dioxide from water gas by condensation.
The Linde-Frank-Caro process is a method for hydrogen production by removing hydrogen and carbon dioxide from water gas by condensation.
Liquid-to-gas ratio
This is commonly called the liquid-to-gas ratio (L/G) and uses the units of gallons per 1,000 actual cubic feet or liters/cubic meter.
This is commonly called the liquid-to-gas ratio (L/G) and uses the units of gallons per 1,000 actual cubic feet or liters/cubic meter.
LLNL HRS process
LLNL HRS (hot recycled solid) process is an above-ground shale oil extraction technology.
LLNL HRS (hot recycled solid) process is an above-ground shale oil extraction technology.
LLNL RISE process
The LLNL RISE process was an experimental shale oil extraction technology developed by the Lawrence Livermore National Laboratory.
The LLNL RISE process was an experimental shale oil extraction technology developed by the Lawrence Livermore National Laboratory.
Lurgi-Ruhrgas process
The Lurgi-Ruhrgas process is an above-ground coal liquefaction and shale oil extraction technology.
The Lurgi-Ruhrgas process is an above-ground coal liquefaction and shale oil extraction technology.
Mass balance
A mass balance (also called a material balance) is an application of conservation of mass to the analysis of physical systems.
A mass balance (also called a material balance) is an application of conservation of mass to the analysis of physical systems.
Mass transfer
Mass transfer is the net movement of mass from one location, usually meaning a stream, phase, fracation or component, to another.
Mass transfer is the net movement of mass from one location, usually meaning a stream, phase, fracation or component, to another.
Mechanical fan
A mechanical fan is a machine used to create flow within a fluid, typically a gas such as air.
A mechanical fan is a machine used to create flow within a fluid, typically a gas such as air.
Membrane emulsification
Membrane emulsification (ME) is a relatively novel technique for producing all types of single and multiple emulsions (o/w, w/o, w/w, w/o/w, o/w/o, m/w, s/o/w), e.g. for DDS (drug delivery syste...
Membrane emulsification (ME) is a relatively novel technique for producing all types of single and multiple emulsions (o/w, w/o, w/w, w/o/w, o/w/o, m/w, s/o/w), e.g. for DDS (drug delivery syste...
Membrane operation
Membrane operation or membrane process is considered like a unit operation in chemical engineering.
Membrane operation or membrane process is considered like a unit operation in chemical engineering.
Membrane technology
The membrane technology covers all process engineering measures for the transport of substances between two fractions with the help of permeable membranes.
The membrane technology covers all process engineering measures for the transport of substances between two fractions with the help of permeable membranes.
Metal-air electrochemical cell
A metal-air electrochemical cell is an electrochemical cell of which the anode is a made from pure metal and the cathode connects to an inexhaustible supply of air.
A metal-air electrochemical cell is an electrochemical cell of which the anode is a made from pure metal and the cathode connects to an inexhaustible supply of air.
Metal-induced crystallization
Metal-induced crystallization (MIC) is a method by which amorphous silicon, or a-Si, can be turned into polycrystalline silicon at relatively low temperatures.
Metal-induced crystallization (MIC) is a method by which amorphous silicon, or a-Si, can be turned into polycrystalline silicon at relatively low temperatures.
Methanation
Methanation is a physical-chemical process to generate Methane from a mixture of various gases out of biomass fermentation or thermo-chemical gasification.
Methanation is a physical-chemical process to generate Methane from a mixture of various gases out of biomass fermentation or thermo-chemical gasification.
Methane reformer
A methane refomer is a device based on steam reforming or autothermal reforming and is used in chemical engineering, which can produce pure hydrogen gas from natural gas using a catalyst.
A methane refomer is a device based on steam reforming or autothermal reforming and is used in chemical engineering, which can produce pure hydrogen gas from natural gas using a catalyst.
Methanol reformer
A methanol refomer is a device used in chemical engineering, especially in the area of fuel cell technology, which can produce pure hydrogen gas and carbon dioxide by reacting a methanol and wat...
A methanol refomer is a device used in chemical engineering, especially in the area of fuel cell technology, which can produce pure hydrogen gas and carbon dioxide by reacting a methanol and wat...
MHD generator
The MHD (magnetohydrodynamic) generator or dynamo transforms thermal energy or kinetic energy directly into electricity.
The MHD (magnetohydrodynamic) generator or dynamo transforms thermal energy or kinetic energy directly into electricity.
Micro heat exchanger
Micro heat exchangers, Micro-scale heat exchangers, or microstructured heat exchangers are heat exchangers in which fluid flows in lateral confinements with typical dimensions below...
Micro heat exchangers, Micro-scale heat exchangers, or microstructured heat exchangers are heat exchangers in which fluid flows in lateral confinements with typical dimensions below...
Micro process engineering
Micro process engineering is the science of conducting chemical or physical processes (unit operations) inside small volumina, typically inside channels with diameters of less than 1 mm (mi...
Micro process engineering is the science of conducting chemical or physical processes (unit operations) inside small volumina, typically inside channels with diameters of less than 1 mm (mi...
Microfiltration
Microfiltration is a membrane technical filtration process which removes contaminants from a fluid (liquid & gas) by passage through a microporous membrane.
Microfiltration is a membrane technical filtration process which removes contaminants from a fluid (liquid & gas) by passage through a microporous membrane.
Million standard cubic feet per day
Million standard cubic feet per day is a unit of measurement for liquids and gases that is predominantly used in the United States.
Million standard cubic feet per day is a unit of measurement for liquids and gases that is predominantly used in the United States.
Molecular sieve
A molecular sieve is a material containing tiny pores of a precise and uniform size that is used as an adsorbent for gases and liquids.
A molecular sieve is a material containing tiny pores of a precise and uniform size that is used as an adsorbent for gases and liquids.
Moving bed heat exchanger
Moving bed heat exchangers (also moving bed coolers) are stationary heat exchangers for bulk materials for continuous processes in chemical engineering.
Moving bed heat exchangers (also moving bed coolers) are stationary heat exchangers for bulk materials for continuous processes in chemical engineering.
Multimedia Fugacity Model
Multimedia Fugacity Model is a model that summarises the processes controlling the chemical behaviour in the complex assembly of environmental media through quantitative accounting of chemicals ...
Multimedia Fugacity Model is a model that summarises the processes controlling the chemical behaviour in the complex assembly of environmental media through quantitative accounting of chemicals ...
Multimedia fugacity model
Multimedia fugacity model is a model that summarises the processes controlling the chemical behaviour in the complex assembly of environmental media through quantitative accounting of chemicals ...
Multimedia fugacity model is a model that summarises the processes controlling the chemical behaviour in the complex assembly of environmental media through quantitative accounting of chemicals ...
Multiple-effect evaporator
A multiple-effect evaporator, as defined in chemical engineering, is an apparatus for efficiently using the heat from steam to evaporate water.
A multiple-effect evaporator, as defined in chemical engineering, is an apparatus for efficiently using the heat from steam to evaporate water.
Nance Dicciani
Nance Dicciani was president and chief executive officer of Specialty Materials, a strategic business group of Honeywell.
Nance Dicciani was president and chief executive officer of Specialty Materials, a strategic business group of Honeywell.
Naphtha
Naphtha normally refers to a number of different flammable liquid mixtures of hydrocarbons, i.e. a component of natural gas condensate or a distillation product from petroleum, coal tar or peat ...
Naphtha normally refers to a number of different flammable liquid mixtures of hydrocarbons, i.e. a component of natural gas condensate or a distillation product from petroleum, coal tar or peat ...
Natural gas condensate
Natural gas condensate is a low-density mixture of hydrocarbon liquids that are present as gaseous components in the raw natural gas produced from many natural gas fields.
Natural gas condensate is a low-density mixture of hydrocarbon liquids that are present as gaseous components in the raw natural gas produced from many natural gas fields.
Natural gas processing
Natural gas processing is a complex industrial process designed to clean raw natural gas by separating impurities and various non-methane hydrocarbons and fluids to produce what is known as 'pip...
Natural gas processing is a complex industrial process designed to clean raw natural gas by separating impurities and various non-methane hydrocarbons and fluids to produce what is known as 'pip...
Natural-gas condensate
Natural-gas condensate is a low-density mixture of hydrocarbon liquids that are present as gaseous components in the raw natural gas produced from many natural gas fields.
Natural-gas condensate is a low-density mixture of hydrocarbon liquids that are present as gaseous components in the raw natural gas produced from many natural gas fields.
Natural-gas processing
Natural-gas processing is a complex industrial process designed to clean raw natural gas by separating impurities and various non-methane hydrocarbons and fluids to produce what is known as pi...
Natural-gas processing is a complex industrial process designed to clean raw natural gas by separating impurities and various non-methane hydrocarbons and fluids to produce what is known as pi...
Negative carbon dioxide emission
A negative carbon dioxide emission or negative emission is a permanent removal of the greenhouse gas carbon dioxide from the atmosphere.
A negative carbon dioxide emission or negative emission is a permanent removal of the greenhouse gas carbon dioxide from the atmosphere.
NeSSI
NeSSI (for New Sampling/Sensor Initiative) is a global and open initiative sponsored by the Center for Process Analytical Technology (CPAC) at the University of Washingto...
NeSSI (for New Sampling/Sensor Initiative) is a global and open initiative sponsored by the Center for Process Analytical Technology (CPAC) at the University of Washingto...
Nitrogen membrane
Nitrogen membranes are modules that use a polymide hollow fiber membrane that provides higher permeability to oxygen than nitrogen to easily obtain a 97.0%~99.9% pure nitrogen gas from compresse...
Nitrogen membranes are modules that use a polymide hollow fiber membrane that provides higher permeability to oxygen than nitrogen to easily obtain a 97.0%~99.9% pure nitrogen gas from compresse...
Non-explosive demolition agents
Non-explosive demolition agents are commercial products that are an alternative to explosives and gas pressure blasting products in demolition, mining, and quarrying.
Non-explosive demolition agents are commercial products that are an alternative to explosives and gas pressure blasting products in demolition, mining, and quarrying.
Ostwald ripening
Ostwald ripening is an observed phenomenon in solid solutions or liquid sols which describes the change of an inhomogeneous structure over time.
Ostwald ripening is an observed phenomenon in solid solutions or liquid sols which describes the change of an inhomogeneous structure over time.
Outline of chemical engineering
Chemical engineering – deals with the application of physical science (e.g., chemistry and physics), and life sciences (e.g., biology, microbiology and biochemistry) with mathematics and e...
Chemical engineering – deals with the application of physical science (e.g., chemistry and physics), and life sciences (e.g., biology, microbiology and biochemistry) with mathematics and e...
Packed bed
In chemical processing, a packed bed is a hollow tube, pipe, or other vessel that is filled with a packing material.
In chemical processing, a packed bed is a hollow tube, pipe, or other vessel that is filled with a packing material.
Partial oxidation
Partial oxidation (POX) is a type of chemical reaction.
Partial oxidation (POX) is a type of chemical reaction.
Partial pressure
In a mixture of ideal gases, each gas has a partial pressure which is the pressure which the gas would have if it alone occupied the volume.
In a mixture of ideal gases, each gas has a partial pressure which is the pressure which the gas would have if it alone occupied the volume.
Particle size distribution
The particle size distribution of a powder, or granular material, or particles dispersed in fluid, is a list of values or a mathematical function that defines the relative amounts of particles p...
The particle size distribution of a powder, or granular material, or particles dispersed in fluid, is a list of values or a mathematical function that defines the relative amounts of particles p...
Particle-size distribution
The particle-size distribution of a powder, or granular material, or particles dispersed in fluid, is a list of values or a mathematical function that defines the relative amounts of particles p...
The particle-size distribution of a powder, or granular material, or particles dispersed in fluid, is a list of values or a mathematical function that defines the relative amounts of particles p...
Pedro Gamboni
Pedro Gamboni was a Chilean chemical engineer.
Pedro Gamboni was a Chilean chemical engineer.
Penex
The Penex Process is a continuous catalytic process used in the refining of crude oil.
The Penex Process is a continuous catalytic process used in the refining of crude oil.
Peridotite
A peridotite is a dense, coarse-grained igneous rock, consisting mostly of the minerals olivine and pyroxene.
A peridotite is a dense, coarse-grained igneous rock, consisting mostly of the minerals olivine and pyroxene.
Perry's Chemical Engineers' Handbook
Perry's Chemical Engineers' Handbook was first published in 1934 and the most current eighth edition was published in October 2007.
Perry's Chemical Engineers' Handbook was first published in 1934 and the most current eighth edition was published in October 2007.
Phase (matter)
In the physical sciences, a phase is a region of space, throughout which all physical properties of a material are essentially uniform.
In the physical sciences, a phase is a region of space, throughout which all physical properties of a material are essentially uniform.
Photoelectrochemical reduction of CO2
Photoelectrochemical reduction of CO2 is an electrochemical reduction process which involves reduction CO2 to higher order hydrocarbon species with the assistance of light energy.
Photoelectrochemical reduction of CO2 is an electrochemical reduction process which involves reduction CO2 to higher order hydrocarbon species with the assistance of light energy.
Pilot plant
A pilot plant is a small chemical processing system which is operated to generate information about the behavior of the system for use in design of larger facilities.
A pilot plant is a small chemical processing system which is operated to generate information about the behavior of the system for use in design of larger facilities.
Pinch analysis
Pinch analysis is a methodology for minimising energy consumption of chemical processes by calculating thermodynamically feasible energy targets (or minimum energy consumption) and achieving...
Pinch analysis is a methodology for minimising energy consumption of chemical processes by calculating thermodynamically feasible energy targets (or minimum energy consumption) and achieving...
Piping
Within industry, piping is a system of pipes used to convey fluids from one location to another.
Within industry, piping is a system of pipes used to convey fluids from one location to another.
Policide (engineering)
Policide (also spelled polyside) in engineering refers to a combination of a silicide and polysilicon.
Policide (also spelled polyside) in engineering refers to a combination of a silicide and polysilicon.
Post combustion capture
Post combustion capture refers to the removal of CO2 from power station flue gas prior to its compression, transportation and storage in suitable geological formations, as part of carbon...
Post combustion capture refers to the removal of CO2 from power station flue gas prior to its compression, transportation and storage in suitable geological formations, as part of carbon...
Post-combustion capture
Post-combustion capture refers to the removal of CO2 from power station flue gas prior to its compression, transportation and storage in suitable geological formations, as part of carbon...
Post-combustion capture refers to the removal of CO2 from power station flue gas prior to its compression, transportation and storage in suitable geological formations, as part of carbon...
Powder Deaerator
A Powder Deaerator (also powder compactor or powder densifier) is a continuously working apparatus for deaerating and compacting / densifying of dry, fine-grained powders.
A Powder Deaerator (also powder compactor or powder densifier) is a continuously working apparatus for deaerating and compacting / densifying of dry, fine-grained powders.
Powder deaerator
A Powder deaerator (also powder compactor or powder densifier) is a continuously working apparatus for deaerating and compacting / densifying of dry, fine-grained powders.
A Powder deaerator (also powder compactor or powder densifier) is a continuously working apparatus for deaerating and compacting / densifying of dry, fine-grained powders.
Powdered activated carbon treatment
Powdered Activated Carbon Treatment (PACT) is a wastewater technology in which powdered activated carbon is added to an anaerobic or aerobic treatment system.
Powdered Activated Carbon Treatment (PACT) is a wastewater technology in which powdered activated carbon is added to an anaerobic or aerobic treatment system.
Pressure swing adsorption
Pressure swing adsorption (PSA) is a technology used to separate some gas species from a mixture of gases under pressure according to the species' molecular characteristics and affinity fo...
Pressure swing adsorption (PSA) is a technology used to separate some gas species from a mixture of gases under pressure according to the species' molecular characteristics and affinity fo...
Process control
Process control is a statistics and engineering discipline that deals with architectures, mechanisms and algorithms for maintaining the output of a specific process within a desired range.
Process control is a statistics and engineering discipline that deals with architectures, mechanisms and algorithms for maintaining the output of a specific process within a desired range.
Process design (chemical engineering)
Process design is the design of processes for desired physical and/or chemical transformation of materials.
Process design is the design of processes for desired physical and/or chemical transformation of materials.
Process engineering
Process engineering (also called process systems engineering) focuses on the design, operation, control, and optimization of chemical, physical, and biological processes through the aid of...
Process engineering (also called process systems engineering) focuses on the design, operation, control, and optimization of chemical, physical, and biological processes through the aid of...
Process flow diagram
A process flow diagram is a diagram commonly used in engineering to indicate the general flow of plant processes and equipment.
A process flow diagram is a diagram commonly used in engineering to indicate the general flow of plant processes and equipment.
Process flowsheeting
Process flowsheeting is the use of computer aids to perform steady-state heat and mass balancing, sizing and costing calculations for a chemical process.
Process flowsheeting is the use of computer aids to perform steady-state heat and mass balancing, sizing and costing calculations for a chemical process.
Process integration
Process integration is a term in chemical engineering which has two possible meanings.
Process integration is a term in chemical engineering which has two possible meanings.
Process safety
Process safety focuses on preventing fires, explosions and accidental chemical releases in chemical process facilities or other facilities dealing with hazardous materials such as refineries, an...
Process safety focuses on preventing fires, explosions and accidental chemical releases in chemical process facilities or other facilities dealing with hazardous materials such as refineries, an...
Process Safety Management
Process Safety Management is a regulation, promulgated by the U.S. Occupational Safety and Health Administration (OSHA).
Process Safety Management is a regulation, promulgated by the U.S. Occupational Safety and Health Administration (OSHA).
Process safety management
Process safety management is a regulation, promulgated by the U.S. Occupational Safety and Health Administration.
Process safety management is a regulation, promulgated by the U.S. Occupational Safety and Health Administration.
Process simulation
Process simulation is used for the design, development, analysis, and optimization of technical processes and is mainly applied to chemical plants and chemical processes, but also to power stati...
Process simulation is used for the design, development, analysis, and optimization of technical processes and is mainly applied to chemical plants and chemical processes, but also to power stati...
ProMax
ProMax is a chemical process simulator for process troubleshooting and design, developed and sold by Bryan Research and Engineering, Inc. Initially released in late 2005, ProMax is a continuance...
ProMax is a chemical process simulator for process troubleshooting and design, developed and sold by Bryan Research and Engineering, Inc. Initially released in late 2005, ProMax is a continuance...
PROX
PROX is an acronym for PReferential OXidation, and refers to the preferential oxidation of a gas on a catalyst.
PROX is an acronym for PReferential OXidation, and refers to the preferential oxidation of a gas on a catalyst.
Prydniprovsky Chemical Plant radioactive dumps
The now-defunct Prydniprovsky Chemical Plant (Придніпровський хімічний завод, ПХЗ; Prydniprovsky khimichnyi zavod, PHZ) in the city of Dniprodzerzhynsk, Ukraine, enriched uranium o...
The now-defunct Prydniprovsky Chemical Plant (Придніпровський хімічний завод, ПХЗ; Prydniprovsky khimichnyi zavod, PHZ) in the city of Dniprodzerzhynsk, Ukraine, enriched uranium o...
Pulsed columns
Pulsed columns are a type of liquid-liquid extraction equipment; examples of this class of extraction equipment is used at the BNFL plant THORP.
Pulsed columns are a type of liquid-liquid extraction equipment; examples of this class of extraction equipment is used at the BNFL plant THORP.
Pulverizer
A pulverizer or grinder is a mechanical device for the grinding of many different types of materials.
A pulverizer or grinder is a mechanical device for the grinding of many different types of materials.
PUREX raffinate
The term PUREX raffinate is a better term for the mixture of metals in nitric acid which are left behind when the uranium and plutonium have been removed by the PUREX process from a nuclear fuel...
The term PUREX raffinate is a better term for the mixture of metals in nitric acid which are left behind when the uranium and plutonium have been removed by the PUREX process from a nuclear fuel...
Pyrolysis
Pyrolysis is a thermochemical decomposition of organic material at elevated temperatures without the particiaption of oxygen.
Pyrolysis is a thermochemical decomposition of organic material at elevated temperatures without the particiaption of oxygen.
Pyroprocessing
Pyroprocessing (from Greek Πυρος = fire) is a process in which materials are subjected to high temperatures (typically over 800°C) in order to bring about a chemical or physical change.
Pyroprocessing (from Greek Πυρος = fire) is a process in which materials are subjected to high temperatures (typically over 800°C) in order to bring about a chemical or physical change.
Quenching (scrubber)
In pollution scrubbers, sometimes hot exhaust gas is quenched, or cooled by water sprays, before entering the scrubber proper.
In pollution scrubbers, sometimes hot exhaust gas is quenched, or cooled by water sprays, before entering the scrubber proper.
Raffinate
In solvent extraction, a raffinate is a liquid stream that remains left after the extraction with the immiscible liquid to remove solutes from the original liquid.
In solvent extraction, a raffinate is a liquid stream that remains left after the extraction with the immiscible liquid to remove solutes from the original liquid.
Raoult's law
Established by François-Marie Raoult in 1882, Raoult's law states: :The vapor pressure of an ideal solution is dependent on the vapor pressure of each chemical component and the mole fraction...
Established by François-Marie Raoult in 1882, Raoult's law states: :The vapor pressure of an ideal solution is dependent on the vapor pressure of each chemical component and the mole fraction...
Rate equation
The rate law or rate equation for a chemical reaction is an equation that links the reaction rate with concentrations or pressures of reactants and constant parameters (normally rate coeff...
The rate law or rate equation for a chemical reaction is an equation that links the reaction rate with concentrations or pressures of reactants and constant parameters (normally rate coeff...
Rawmill
A rawmill is the equipment used to grind raw materials into "rawmix" during the manufacture of cement.
A rawmill is the equipment used to grind raw materials into "rawmix" during the manufacture of cement.
Reaction bonded silicon carbide
Reaction bonded silicon carbide, also known as siliconized silicon carbide or SiSiC, is a type of silicon carbide that is manufactured by a chemical reaction between a porous carbon ...
Reaction bonded silicon carbide, also known as siliconized silicon carbide or SiSiC, is a type of silicon carbide that is manufactured by a chemical reaction between a porous carbon ...
Reaction mechanism
In chemistry, a reaction mechanism is the step by step sequence of elementary reactions by which overall chemical change occurs.
In chemistry, a reaction mechanism is the step by step sequence of elementary reactions by which overall chemical change occurs.
Reaction rate
The reaction rate or speed of reaction for a reactant or product in a particular reaction is intuitively defined as how fast or slow a reaction takes place.
The reaction rate or speed of reaction for a reactant or product in a particular reaction is intuitively defined as how fast or slow a reaction takes place.
Reboiler
Reboilers are heat exchangers typically used to provide heat to the bottom of industrial distillation columns.
Reboilers are heat exchangers typically used to provide heat to the bottom of industrial distillation columns.
Reciprocating compressor
A reciprocating compressor or piston compressor is a positive-displacement compressor that uses pistons driven by a crankshaft to deliver gases at high pressure.
A reciprocating compressor or piston compressor is a positive-displacement compressor that uses pistons driven by a crankshaft to deliver gases at high pressure.
Rectisol
Rectisol is the trade name for an acid gas removal process that uses methanol as a solvent to separate acid gases such as hydrogen sulfide and carbon dioxide from valuable feed gas streams.
Rectisol is the trade name for an acid gas removal process that uses methanol as a solvent to separate acid gases such as hydrogen sulfide and carbon dioxide from valuable feed gas streams.
Recuperative Multi-Tube Cooler
A Recuperative Multi-Tube Cooler is a rotary drum cooler used for continuous processes in chemical engineering.
A Recuperative Multi-Tube Cooler is a rotary drum cooler used for continuous processes in chemical engineering.
Redlich-Kwong equation of state
In physics and thermodynamics, the Redlich–Kwong equation of state is an equation that is derived from the van der Waals equation.
In physics and thermodynamics, the Redlich–Kwong equation of state is an equation that is derived from the van der Waals equation.
Redlich–Kwong equation of state
In physics and thermodynamics, the Redlich–Kwong equation of state is an equation that is derived from the van der Waals equation.
In physics and thermodynamics, the Redlich–Kwong equation of state is an equation that is derived from the van der Waals equation.
Reflux
Reflux is a distillation technique involving the condensation of vapors and the return of this condensate to the system from which it originated.
Reflux is a distillation technique involving the condensation of vapors and the return of this condensate to the system from which it originated.
Reformer sponge iron cycle
The reformer sponge iron cycle (RESC) is a two step cycle to produce hydrogen from hydrocarbon fuels based on the sponge iron reaction (SIR) and steam.
The reformer sponge iron cycle (RESC) is a two step cycle to produce hydrogen from hydrocarbon fuels based on the sponge iron reaction (SIR) and steam.
Refrigeration
Refrigeration is a process in which work is done to move heat from one location to another.
Refrigeration is a process in which work is done to move heat from one location to another.
Reid Vapor Pressure
Reid vapor pressure (RVP) is a common measure of the volatility of gasoline.
Reid vapor pressure (RVP) is a common measure of the volatility of gasoline.
Reinforced thermoplastic pipe
RTP is a generic term referring to a reliable high strength synthetic fibre reinforced thermoplastic pipe, initially developed in the early 1990s by Wavin Repox, Akzo Nobel and by Tubes d'Aquita...
RTP is a generic term referring to a reliable high strength synthetic fibre reinforced thermoplastic pipe, initially developed in the early 1990s by Wavin Repox, Akzo Nobel and by Tubes d'Aquita...
Relative volatility
Relative volatility is a measure comparing the vapor pressures of the components in a liquid mixture of chemicals.
Relative volatility is a measure comparing the vapor pressures of the components in a liquid mixture of chemicals.
Republic Metals Corporation
Republic Metals Corporation is a privately owned and family operated precious metals refinery located in Miami, FL.
Republic Metals Corporation is a privately owned and family operated precious metals refinery located in Miami, FL.
Residence Time Distribution
The residence time distribution of a chemical reactor is a probability distribution function that describes the amount of time a fluid element could spend inside the reactor.
The residence time distribution of a chemical reactor is a probability distribution function that describes the amount of time a fluid element could spend inside the reactor.
Residence time distribution
The residence time distribution of a chemical reactor is a probability distribution function that describes the amount of time a fluid element could spend inside the reactor.
The residence time distribution of a chemical reactor is a probability distribution function that describes the amount of time a fluid element could spend inside the reactor.
Reynolds analogy
Reynolds analogy is popularly known to relate turbulent momentum and heat transfer.
Reynolds analogy is popularly known to relate turbulent momentum and heat transfer.
Reynolds transport theorem
Reynolds' transport theorem, or in short Reynolds theorem, is a three-dimensional generalization of the Leibniz integral rule which is also known as differentiation under the integral sign.
Reynolds' transport theorem, or in short Reynolds theorem, is a three-dimensional generalization of the Leibniz integral rule which is also known as differentiation under the integral sign.
Rotary kiln
A Rotary kiln is a pyroprocessing device used to raise materials to a high temperature in a continuous process.
A Rotary kiln is a pyroprocessing device used to raise materials to a high temperature in a continuous process.
Rotary screw compressor
A rotary screw compressor is a gas compressor which uses a rotary type positive displacement mechanism.
A rotary screw compressor is a gas compressor which uses a rotary type positive displacement mechanism.
Rotating biological contactor
A rotating biological contactor or RBC is a biological treatment process used in the treatment of wastewater following primary treatment.
A rotating biological contactor or RBC is a biological treatment process used in the treatment of wastewater following primary treatment.
Sectional cooler
A Sectional Cooler is a rotary drum cooler used for continuous processes in chemical engineering.
A Sectional Cooler is a rotary drum cooler used for continuous processes in chemical engineering.
Selective catalytic reduction
Selective catalytic reduction is a means of converting nitrogen oxides, also referred to as with the aid of a catalyst into diatomic nitrogen,, and water,.
Selective catalytic reduction is a means of converting nitrogen oxides, also referred to as with the aid of a catalyst into diatomic nitrogen,, and water,.
Selexol
Selexol is the trade name for an acid gas removal solvent that can separate acid gases such as hydrogen sulfide and carbon dioxide from feed gas streams such as synthesis gas produced by gasific...
Selexol is the trade name for an acid gas removal solvent that can separate acid gases such as hydrogen sulfide and carbon dioxide from feed gas streams such as synthesis gas produced by gasific...
Separation process
Separation is defined as "processes of any scale by which the components of a mixture are separated from each other without substantial chemical modification".
Separation is defined as "processes of any scale by which the components of a mixture are separated from each other without substantial chemical modification".
Settling
Settling is the process by which particulates settle to the bottom of a liquid and form a sediment.
Settling is the process by which particulates settle to the bottom of a liquid and form a sediment.
Shale oil extraction
Shale oil extraction is an industrial process for unconventional oil production.
Shale oil extraction is an industrial process for unconventional oil production.
SIC Processing
German company SIC Processing designs and manufactures hydroclone technology to improve solar cell production.
German company SIC Processing designs and manufactures hydroclone technology to improve solar cell production.
Sieve analysis
A sieve analysis (or gradation test) is a practice or procedure used (commonly used in civil engineering) to assess the particle size distribution (also called gradation) of a granular...
A sieve analysis (or gradation test) is a practice or procedure used (commonly used in civil engineering) to assess the particle size distribution (also called gradation) of a granular...
Sieving coefficient
In mass transfer, the sieving coefficient is a measure of equilibration between the concentrations of two mass transfer streams.
In mass transfer, the sieving coefficient is a measure of equilibration between the concentrations of two mass transfer streams.
Society of Chemical Industry
The Society of Chemical Industry (SCI) is a learned society set up in 1881 "to further the application of chemistry and related sciences for the public benefit".
The Society of Chemical Industry (SCI) is a learned society set up in 1881 "to further the application of chemistry and related sciences for the public benefit".
Sodium hydroxide
Sodium hydroxide, also known as lye and caustic soda, with the molecular formula NaOH is a caustic metallic base which is a white solid available in pellets, flakes, granules, ...
Sodium hydroxide, also known as lye and caustic soda, with the molecular formula NaOH is a caustic metallic base which is a white solid available in pellets, flakes, granules, ...
Solar air conditioning
Solar air conditioning refers to any air conditioning system that uses solar power.
Solar air conditioning refers to any air conditioning system that uses solar power.
Solid state reaction route
Solid State Reaction Route is the most widely used method for the preparation of polycrystalline solids from a mixture of solid starting materials.
Solid State Reaction Route is the most widely used method for the preparation of polycrystalline solids from a mixture of solid starting materials.
Solid-state reaction route
The solid-state reaction route is the most widely used method for the preparation of polycrystalline solids from a mixture of solid starting materials.
The solid-state reaction route is the most widely used method for the preparation of polycrystalline solids from a mixture of solid starting materials.
Souders-Brown equation
The Souders-Brown equation has been the tool for obtaining the maximum allowable vapor velocity in vapor-liquid separation vessels (variously called flash drums, knockout drums, knock...
The Souders-Brown equation has been the tool for obtaining the maximum allowable vapor velocity in vapor-liquid separation vessels (variously called flash drums, knockout drums, knock...
Souders–Brown equation
The Souders-Brown equation has been the tool for obtaining the maximum allowable vapor velocity in vapor-liquid separation vessels (variously called flash drums, knockout drums, knock...
The Souders-Brown equation has been the tool for obtaining the maximum allowable vapor velocity in vapor-liquid separation vessels (variously called flash drums, knockout drums, knock...
Sour gas
Sour gas is natural gas or any other gas containing significant amounts of hydrogen sulfide.
Sour gas is natural gas or any other gas containing significant amounts of hydrogen sulfide.
Space time (chemical engineering)
Space time is the time necessary to process one reactor volume of fluid, given a particular set of entrance conditions.
Space time is the time necessary to process one reactor volume of fluid, given a particular set of entrance conditions.
Space velocity (chemistry)
By definition, space velocity can be expressed mathematically as SV ≡ υ0 / V.
By definition, space velocity can be expressed mathematically as SV ≡ υ0 / V.
Spinning cone
Spinning cone columns are used in a form of steam distillation to gently extract volatile chemicals from liquid foodstuffs while minimising the effect on the taste of the product.
Spinning cone columns are used in a form of steam distillation to gently extract volatile chemicals from liquid foodstuffs while minimising the effect on the taste of the product.
Spiral separator
The term spiral separator can refer to either a device for separating slurry components by density, or for a device for sorting particles by shape.
The term spiral separator can refer to either a device for separating slurry components by density, or for a device for sorting particles by shape.
Sponge iron reaction
The sponge iron reaction is a chemical process based on redox cycling of an iron-based contact mass, the first cycle is a conversion step between iron metal and wuestite, the second cycle is a c...
The sponge iron reaction is a chemical process based on redox cycling of an iron-based contact mass, the first cycle is a conversion step between iron metal and wuestite, the second cycle is a c...
Stack effect
Stack effect is the movement of air into and out of buildings, chimneys, flue gas stacks, or other containers, and is driven by buoyancy.
Stack effect is the movement of air into and out of buildings, chimneys, flue gas stacks, or other containers, and is driven by buoyancy.
Standard conditions for temperature and pressure
Standard condition for temperature and pressure are standard sets of conditions for experimental measurements established to allow comparisons to be made between different sets of data.
Standard condition for temperature and pressure are standard sets of conditions for experimental measurements established to allow comparisons to be made between different sets of data.
Standard cubic feet per minute
Standard cubic feet per minute (SCFM) is the volumetric flow rate of a gas corrected to "standardized" conditions of temperature and pressure.
Standard cubic feet per minute (SCFM) is the volumetric flow rate of a gas corrected to "standardized" conditions of temperature and pressure.
Steady-state (chemical engineering)
A unit operation is considered to be at a steady state with respect to an operation variable if that variable does not change with time.
A unit operation is considered to be at a steady state with respect to an operation variable if that variable does not change with time.
Stefan flow
Stefan flow, occasionally called Stefan's flow (Slovene Stefanov tok), is a transport phenomenon concerning the movement of a chemical species by a flowing fluid (typically in the gas ...
Stefan flow, occasionally called Stefan's flow (Slovene Stefanov tok), is a transport phenomenon concerning the movement of a chemical species by a flowing fluid (typically in the gas ...
Stoichiometry
Stoichiometry is a branch of chemistry that deals with the relative quantities of reactants and products in chemical reactions.
Stoichiometry is a branch of chemistry that deals with the relative quantities of reactants and products in chemical reactions.
String-net liquid
String-net liquid is the phrase used for a hypothetical state of matter in which the atoms do not line up in opposing "spins", but in a more erratic order, as if they had partial spins or charges.
String-net liquid is the phrase used for a hypothetical state of matter in which the atoms do not line up in opposing "spins", but in a more erratic order, as if they had partial spins or charges.
Stripping (chemistry)
Stripping is a physical separation process where one or more components are removed from a liquid stream by a vapor stream.
Stripping is a physical separation process where one or more components are removed from a liquid stream by a vapor stream.
Strongly symmetric matter
Strongly symmetric matter: If the predictions of supersymmetry and more so, string theory are correct then during the time of the Planck Epoch (10−43 seconds after the Big Bang) all four f...
Strongly symmetric matter: If the predictions of supersymmetry and more so, string theory are correct then during the time of the Planck Epoch (10−43 seconds after the Big Bang) all four f...
Supercritical steam generator
Supercritical steam generators are frequently used for the production of electric power.
Supercritical steam generators are frequently used for the production of electric power.
Surface condenser
A surface condenser is a commonly used term for a water-cooled shell and tube heat exchanger installed on the exhaust steam from a steam turbine in thermal power stations.
A surface condenser is a commonly used term for a water-cooled shell and tube heat exchanger installed on the exhaust steam from a steam turbine in thermal power stations.
Syngas
Syngas (Synthesis gas) is the name given to a gas mixture that contains varying amounts of carbon monoxide and hydrogen.
Syngas (Synthesis gas) is the name given to a gas mixture that contains varying amounts of carbon monoxide and hydrogen.
Synthetic membrane
An artificial membrane, or synthetic membrane, is a synthetically created membrane which is usually intended for separation purposes in laboratory or in industry.
An artificial membrane, or synthetic membrane, is a synthetically created membrane which is usually intended for separation purposes in laboratory or in industry.
Systematic Hierarchical Approach for Resilient Process Screening (SHARPS)
Systematic Hierarchical Approach for Resilient Process Screening (SHARPS) is a cost screening technique to assist designers achieve a desired investment payback period during preliminary design ...
Systematic Hierarchical Approach for Resilient Process Screening (SHARPS) is a cost screening technique to assist designers achieve a desired investment payback period during preliminary design ...
Systematic hierarchical approach for resilient process screening (SHARPS)
Systematic hierarchical approach for resilient process screening is a cost-screening technique to assist designers achieve a desired investment payback period during preliminary design of water-...
Systematic hierarchical approach for resilient process screening is a cost-screening technique to assist designers achieve a desired investment payback period during preliminary design of water-...
Theorem of corresponding states
According to van der Waals, the theorem of corresponding states (or principle of corresponding states) indicates that all fluids, when compared at the same reduced temperature and reduced ...
According to van der Waals, the theorem of corresponding states (or principle of corresponding states) indicates that all fluids, when compared at the same reduced temperature and reduced ...
Theoretical plate
A theoretical plate in many separation processes is a hypothetical zone or stage in which two phases, such as the liquid and vapor phases of a substance, establish an equilibrium with each other.
A theoretical plate in many separation processes is a hypothetical zone or stage in which two phases, such as the liquid and vapor phases of a substance, establish an equilibrium with each other.
Thermal dissolution
Thermal dissolution is a hydrogen-donor solvent refining process.
Thermal dissolution is a hydrogen-donor solvent refining process.
Thermal oxidizer
A thermal oxidizer is a process unit for air pollution control in many chemical plants that decomposes hazardous gases at a high temperature and releases them into the atmosphere.
A thermal oxidizer is a process unit for air pollution control in many chemical plants that decomposes hazardous gases at a high temperature and releases them into the atmosphere.
Thermal power station
A thermal power station is a power plant in which the prime mover is steam driven.
A thermal power station is a power plant in which the prime mover is steam driven.
Thermal runaway
Thermal runaway refers to a situation where an increase in temperature changes the conditions in a way that causes a further increase in temperature, often leading to a destructive result.
Thermal runaway refers to a situation where an increase in temperature changes the conditions in a way that causes a further increase in temperature, often leading to a destructive result.
Thermal science
Thermal science is the combined study of thermodynamics, fluid mechanics, heat transfer, and combustion.
Thermal science is the combined study of thermodynamics, fluid mechanics, heat transfer, and combustion.
Thermodynamics
Thermodynamics is the branch of physical science concerned with heat and its relation to other forms of energy and work.
Thermodynamics is the branch of physical science concerned with heat and its relation to other forms of energy and work.
Tire derived fuel
Tire-derived fuel is composed of shredded tires.
Tire-derived fuel is composed of shredded tires.
Tissue engineering
Tissue engineering is the use of a combination of cells, engineering and materials methods, and suitable biochemical and physio-chemical factors to improve or replace biological functions.
Tissue engineering is the use of a combination of cells, engineering and materials methods, and suitable biochemical and physio-chemical factors to improve or replace biological functions.
Transfer hydrogenation
Transfer hydrogenation is the addition of hydrogen (H2; dihydrogen in inorganic and organometallic chemistry) to a molecule from a source other than gaseous H2.
Transfer hydrogenation is the addition of hydrogen (H2; dihydrogen in inorganic and organometallic chemistry) to a molecule from a source other than gaseous H2.
Transient state
In chemical engineering, a system is said to be in transient state when a process variable has been changed and the system has not yet reached steady-state.
In chemical engineering, a system is said to be in transient state when a process variable has been changed and the system has not yet reached steady-state.
Transport Phenomena (book)
Transport Phenomena is the first textbook that is about transport phenomena.
Transport Phenomena is the first textbook that is about transport phenomena.
Transport phenomena (engineering & physics)
In engineering and physics, the study of transport phenomena concerns the exchange of mass, energy, or momentum between observed and studied engineering systems.
In engineering and physics, the study of transport phenomena concerns the exchange of mass, energy, or momentum between observed and studied engineering systems.
Trickling filter
A trickling filter consists of a fixed bed of rocks, lava, coke, gravel, slag, polyurethane foam, sphagnum peat moss, ceramic, or plastic media over which sewage or other wastewater flows downw...
A trickling filter consists of a fixed bed of rocks, lava, coke, gravel, slag, polyurethane foam, sphagnum peat moss, ceramic, or plastic media over which sewage or other wastewater flows downw...
True vapor pressure
True vapor pressure (TVP) is a common measure of the volatility of petroleum distillate fuels.
True vapor pressure (TVP) is a common measure of the volatility of petroleum distillate fuels.
Turboexpander
A turboexpander, also referred to as a turbo-expander or an expansion turbine, is a centrifugal or axial flow turbine through which a high pressure gas is expanded to produce work th...
A turboexpander, also referred to as a turbo-expander or an expansion turbine, is a centrifugal or axial flow turbine through which a high pressure gas is expanded to produce work th...
Turnaround (refining)
Turnarounds (or TAR's) are scheduled events wherein an entire process unit of an industrial plant (refinery, petrochemical plant, power plant, pulp and paper mill, etc.) is taken offstream for a...
Turnarounds (or TAR's) are scheduled events wherein an entire process unit of an industrial plant (refinery, petrochemical plant, power plant, pulp and paper mill, etc.) is taken offstream for a...
Twister Supersonic Separator
The Twister Supersonic Separator is a compact tubular device which is used for the removing water and/or hydrocarbon dewpointing of natural gas.
The Twister Supersonic Separator is a compact tubular device which is used for the removing water and/or hydrocarbon dewpointing of natural gas.
Unit operation
In chemical engineering and related fields, a unit operation is a basic step in a process.Unit operation involves bringing a physical change such as separation, crystallization, evaporation, fil...
In chemical engineering and related fields, a unit operation is a basic step in a process.Unit operation involves bringing a physical change such as separation, crystallization, evaporation, fil...
Unit Operations of Chemical Engineering
Unit Operations of Chemical Engineering, first published in 1956, is one of the oldest chemical engineering textbooks still in widespread use.
Unit Operations of Chemical Engineering, first published in 1956, is one of the oldest chemical engineering textbooks still in widespread use.
Unit process
A Unit Process is a step in manufacturing in which chemical reaction takes place.
A Unit Process is a step in manufacturing in which chemical reaction takes place.
Units conversion by factor-label
The factor-label method, also known as the unit-factor method or dimensional analysis, is a widely used approach for performing such conversions.
The factor-label method, also known as the unit-factor method or dimensional analysis, is a widely used approach for performing such conversions.
Upgrader
An upgrader is a facility that upgrades bitumen into synthetic crude oil.
An upgrader is a facility that upgrades bitumen into synthetic crude oil.
Useful conversions and formulas for air dispersion modeling
This article presents a set of useful conversions and formulas for air dispersion modeling of atmospheric pollutants and for complying with the various regulations as to how to express the conc...
This article presents a set of useful conversions and formulas for air dispersion modeling of atmospheric pollutants and for complying with the various regulations as to how to express the conc...
Vacuum distillation
Vacuum distillation is a method of distillation whereby the pressure above the liquid mixture to be distilled is reduced to less than its vapor pressure (usually less than atmospheric pressure) ...
Vacuum distillation is a method of distillation whereby the pressure above the liquid mixture to be distilled is reduced to less than its vapor pressure (usually less than atmospheric pressure) ...
Vacuum swing adsorption
Vacuum swing adsorption (VSA) is a non-cryogenic gas separation technology.
Vacuum swing adsorption (VSA) is a non-cryogenic gas separation technology.
Van der Waals equation
The van der Waals equation is an equation of state for a fluid composed of particles that have a non-zero volume and a pairwise attractive inter-particle force (such as the van der Waals force.)...
The van der Waals equation is an equation of state for a fluid composed of particles that have a non-zero volume and a pairwise attractive inter-particle force (such as the van der Waals force.)...
Vapor pressure
Vapor pressure or equilibrium vapor pressure is the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system.
Vapor pressure or equilibrium vapor pressure is the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system.
Vapor-compression refrigeration
Vapor-compression refrigeration is one of the many refrigeration cycles available for use.
Vapor-compression refrigeration is one of the many refrigeration cycles available for use.
Vapor-liquid distribution ratio
In chemistry, Henry's law is one of the gas laws, formulated by William Henry in 1803.
In chemistry, Henry's law is one of the gas laws, formulated by William Henry in 1803.
Vapor-liquid equilibrium
Vapor–liquid equilibrium (VLE) is a condition where a liquid and its vapor (gas phase) are in equilibrium with each other, a condition or state where the rate of evaporation (liquid changi...
Vapor–liquid equilibrium (VLE) is a condition where a liquid and its vapor (gas phase) are in equilibrium with each other, a condition or state where the rate of evaporation (liquid changi...
Vapor-liquid K values
Relative volatility is a measure comparing the vapor pressures of the components in a liquid mixture of chemicals.
Relative volatility is a measure comparing the vapor pressures of the components in a liquid mixture of chemicals.
Vapor-liquid separator
A vapor–liquid separator is a vertical vessel used in several industrial applications to separate a vapor–liquid mixture.
A vapor–liquid separator is a vertical vessel used in several industrial applications to separate a vapor–liquid mixture.
Volatility (chemistry)
In chemistry and physics, volatility is the tendency of a substance to vaporize.
In chemistry and physics, volatility is the tendency of a substance to vaporize.
Vortex breaker
A vortex breaker is a device used in engineering to stop the formation of a vortex when a fluid is drained from a vessel such as a tank or vapor-liquid separator.
A vortex breaker is a device used in engineering to stop the formation of a vortex when a fluid is drained from a vessel such as a tank or vapor-liquid separator.
Wastewater
Wastewater, also spelled waste water, is any water that has been adversely affected in quality by anthropogenic influence.
Wastewater, also spelled waste water, is any water that has been adversely affected in quality by anthropogenic influence.
Wastewater quality indicators
Wastewater quality indicators such as the biochemical oxygen demand and the chemical oxygen demand are essentially laboratory tests to determine whether or not a specific wastewater will have a ...
Wastewater quality indicators such as the biochemical oxygen demand and the chemical oxygen demand are essentially laboratory tests to determine whether or not a specific wastewater will have a ...
Water cascade analysis
Water cascade analysis (WCA) is a technique to calculate the minimum flowrate target for feedwater and wastewater for continuous water-using processes.
Water cascade analysis (WCA) is a technique to calculate the minimum flowrate target for feedwater and wastewater for continuous water-using processes.
Water gas shift reaction
The water-gas shift reaction (WGS) is a chemical reaction in which carbon monoxide reacts with water vapor to form carbon dioxide and hydrogen: :CO(g) + H2O(v) → CO2^^(...
The water-gas shift reaction (WGS) is a chemical reaction in which carbon monoxide reacts with water vapor to form carbon dioxide and hydrogen: :CO(g) + H2O(v) → CO2^^(...
Water pinch analysis
Water pinch analysis originates from the concept of heat pinch analysis.
Water pinch analysis originates from the concept of heat pinch analysis.
Weisz-Prater Criterion
The Weisz-Prater Criterion is a method used to estimate the influence of pore diffusion on reaction rates in heterogeneous catalytic reactions.
The Weisz-Prater Criterion is a method used to estimate the influence of pore diffusion on reaction rates in heterogeneous catalytic reactions.
Wet oxidation
Wet oxidation is a form of hydrothermal treatment.
Wet oxidation is a form of hydrothermal treatment.