SettingsSewerage
1929 Ottawa sewer explosion
On May 29, 1929, a series of explosions in the sewers of Ottawa, Canada, killed one person and caused a great deal of destruction.
On May 29, 1929, a series of explosions in the sewers of Ottawa, Canada, killed one person and caused a great deal of destruction.
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.
Activated sludge model
Activated sludge model is a generic name for a group of mathematical methods to model activated sludge systems.
Activated sludge model is a generic name for a group of mathematical methods to model activated sludge systems.
Aerobic granulation
Aerobic granulation technology for the application in wastewater treatment is widely developed at laboratory scales.
Aerobic granulation technology for the application in wastewater treatment is widely developed at laboratory scales.
Akhtar Hameed Khan
Akhtar Hameed Khan was a Pakistani development activist and social scientist credited for pioneering microcredit and microfinance initiatives, farmers' cooperatives, and rural training programme...
Akhtar Hameed Khan was a Pakistani development activist and social scientist credited for pioneering microcredit and microfinance initiatives, farmers' cooperatives, and rural training programme...
Anaerobic digestion
Anaerobic digestion is a series of processes in which microorganisms break down biodegradable material in the absence of oxygen.
Anaerobic digestion is a series of processes in which microorganisms break down biodegradable material in the absence of oxygen.
Anaerobic lagoon
An Anaerobic Lagoon or Manure Lagoon is a man made outdoor earthen basin filled with excrement.
An Anaerobic Lagoon or Manure Lagoon is a man made outdoor earthen basin filled with excrement.
Antecedent moisture
Antecedent moisture is a term from the fields of Hydrology and sewage collection and disposal that describes the relative wetness or dryness of a watershed or sanitary sewershed.
Antecedent moisture is a term from the fields of Hydrology and sewage collection and disposal that describes the relative wetness or dryness of a watershed or sanitary sewershed.
Biogenic sulfide corrosion
Biogenic Sulfide Corrosion is a bacterially mediated process of forming hydrogen sulfide gas and the subsequent conversion to sulfuric acid that attacks concrete and steel within wastewater envi...
Biogenic Sulfide Corrosion is a bacterially mediated process of forming hydrogen sulfide gas and the subsequent conversion to sulfuric acid that attacks concrete and steel within wastewater envi...
BiPu
BIPU® (Bioremediation Infield Personnel Unit) is a sanitation method suitable for disaster relief and for temporary or isolated locations.
BIPU® (Bioremediation Infield Personnel Unit) is a sanitation method suitable for disaster relief and for temporary or isolated locations.
Blackwater (waste)
Blackwater is a term dating to at least the 1970s used to describe wastewater containing fecal matter and urine.
Blackwater is a term dating to at least the 1970s used to describe wastewater containing fecal matter and urine.
Brown grease
Brown grease is waste vegetable oil, animal fat, grease, etc.
Brown grease is waste vegetable oil, animal fat, grease, etc.
Cloacina
In Roman mythology, Cloacina (Latin, cloaca: "sewer" or "drain") was the goddess who presided over the Cloaca Maxima ("Great Drain"), the main trunk of the system of sewers in Rome.
In Roman mythology, Cloacina (Latin, cloaca: "sewer" or "drain") was the goddess who presided over the Cloaca Maxima ("Great Drain"), the main trunk of the system of sewers in Rome.
Coarse bubble diffusers
Coarse bubble diffusers are a pollution control technology used to aerate and or mix wastewater for sewage treatment.
Coarse bubble diffusers are a pollution control technology used to aerate and or mix wastewater for sewage treatment.
Condominial sewerage
Condominial sewerage is the application of simplified sewerage coupled with consultations and ongoing interactions between users and agencies during planning and implementation.
Condominial sewerage is the application of simplified sewerage coupled with consultations and ongoing interactions between users and agencies during planning and implementation.
Diffuser (sewage)
An air diffuser or membrane diffuser is an aeration device typically in the shape of a disc, tube or plate, which is used to transfer air and with that oxygen into sewage or industrial was...
An air diffuser or membrane diffuser is an aeration device typically in the shape of a disc, tube or plate, which is used to transfer air and with that oxygen into sewage or industrial was...
Ecological sanitation
Ecological sanitation, also known as ecosan or eco-san, are terms coined to describe a form of sanitation that usually involves urine diversion and the recycling of water and nutrie...
Ecological sanitation, also known as ecosan or eco-san, are terms coined to describe a form of sanitation that usually involves urine diversion and the recycling of water and nutrie...
Extended aeration
Extended aeration is a method of sewage treatment using modified activated sludge procedures.
Extended aeration is a method of sewage treatment using modified activated sludge procedures.
Facultative lagoon
Facultative lagoons are a type of stabilization pond used for biological treatment of industrial and domestic wastewater.
Facultative lagoons are a type of stabilization pond used for biological treatment of industrial and domestic wastewater.
Fine bubble diffusers
Fine bubble diffusers are a pollution control technology used to aerate wastewater for sewage treatment.
Fine bubble diffusers are a pollution control technology used to aerate wastewater for sewage treatment.
Flocculation
Flocculation, in the field of chemistry, is a process wherein colloids come out of suspension in the form of floc or flakes by the addition of a clarifying agent.
Flocculation, in the field of chemistry, is a process wherein colloids come out of suspension in the form of floc or flakes by the addition of a clarifying agent.
French drain
A French drain, blind drain, rubble drain, rock drain, drain tile, perimeter drain, land drain or French ditch is a trench covered with gravel or rock t...
A French drain, blind drain, rubble drain, rock drain, drain tile, perimeter drain, land drain or French ditch is a trench covered with gravel or rock t...
FRP tanks and vessels
FRP tanks and vessels designed as per BS 4994 are widely used in the chemical industry in the following sectors: chlor-alkali manufacturers, fertilizer, wood pulp and paper, metal extraction, re...
FRP tanks and vessels designed as per BS 4994 are widely used in the chemical industry in the following sectors: chlor-alkali manufacturers, fertilizer, wood pulp and paper, metal extraction, re...
Great Stink
The Great Stink, or the Big Stink, was a time in the summer of 1858 during which the smell of untreated human waste was very strong in central London.
The Great Stink, or the Big Stink, was a time in the summer of 1858 during which the smell of untreated human waste was very strong in central London.
Green Bridge(filtration system)
Green Bridges are an ecotechnological in-situ horizontal filtration system having different physical and biological filters working in combination to remove suspended and dissolved impurities of...
Green Bridges are an ecotechnological in-situ horizontal filtration system having different physical and biological filters working in combination to remove suspended and dissolved impurities of...
Holding tank
A holding tank, also called a waste water holding tank or black (water) tank, is a container for storing sewage in vehicles equipped with toilets.
A holding tank, also called a waste water holding tank or black (water) tank, is a container for storing sewage in vehicles equipped with toilets.
Human waste
Human waste is a waste type usually used to refer to byproducts of digestion, such as feces and urine.
Human waste is a waste type usually used to refer to byproducts of digestion, such as feces and urine.
Humid oxidation with peroxide
Humid oxidation with peroxide is a technology for wastewater treatment which uses hydrogen peroxide to generate highly oxidative hydroxyl radicals.
Humid oxidation with peroxide is a technology for wastewater treatment which uses hydrogen peroxide to generate highly oxidative hydroxyl radicals.
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...
Infiltration/Inflow
Infiltration/Inflow causes dilution in sanitary sewers.
Infiltration/Inflow causes dilution in sanitary sewers.
Journal of Environmental Engineering
The Journal of Environmental Engineering is a monthly engineering journal published by the American Society of Civil Engineers.
The Journal of Environmental Engineering is a monthly engineering journal published by the American Society of Civil Engineers.
Living machines
Living Machine is a trademark and brand name for a form of biological wastewater treatment designed to mimic the cleansing functions of wetlands developed and marketed by Worrell Water Technolo...
Living Machine is a trademark and brand name for a form of biological wastewater treatment designed to mimic the cleansing functions of wetlands developed and marketed by Worrell Water Technolo...
London sewerage system
The London sewerage system is part of the water infrastructure serving London.
The London sewerage system is part of the water infrastructure serving London.
Maceration (sewage)
Maceration, in sewage treatment, the use of a machine that reduces solids to small pieces in order to deal with rags and other solid waste.
Maceration, in sewage treatment, the use of a machine that reduces solids to small pieces in order to deal with rags and other solid waste.
Manhole
A manhole is the top opening to an underground utility vault used to house an access point for making connections or performing maintenance on underground and buried public utility and other ser...
A manhole is the top opening to an underground utility vault used to house an access point for making connections or performing maintenance on underground and buried public utility and other ser...
Manual scavenging
Manual scavenging is manual removal of excreta (night soil) from "dry toilets", i.e., toilet without the modern flush system, especially in the Indian subcontinent.
Manual scavenging is manual removal of excreta (night soil) from "dry toilets", i.e., toilet without the modern flush system, especially in the Indian subcontinent.
Mechanical biological treatment
A mechanical biological treatment system is a type of waste processing facility that combines a sorting facility with a form of biological treatment such as composting or anaerobic digestion.
A mechanical biological treatment system is a type of waste processing facility that combines a sorting facility with a form of biological treatment such as composting or anaerobic digestion.
Membrane bioreactor
Membrane bioreactor (MBR) is the combination of a membrane process like microfiltration or ultrafiltration with a suspended growth bioreactor, and is now widely used for municipal and industrial...
Membrane bioreactor (MBR) is the combination of a membrane process like microfiltration or ultrafiltration with a suspended growth bioreactor, and is now widely used for municipal and industrial...
Methanogenesis
Methanogenesis or biomethanation is the formation of methane by microbes known as methanogens.
Methanogenesis or biomethanation is the formation of methane by microbes known as methanogens.
Milorganite
Milorganite is the trademark of a biosolids fertilizer produced by the Milwaukee Metropolitan Sewerage District.
Milorganite is the trademark of a biosolids fertilizer produced by the Milwaukee Metropolitan Sewerage District.
Mogden
Mogden is a locality about a kilometre southwest of Isleworth in west London.
Mogden is a locality about a kilometre southwest of Isleworth in west London.
Noonday Water Reclamation Facility
The Noonday Water Reclamation Facility processes 20 millions of gallons per day for Northeast Cobb, North Marietta, East Kennesaw, and portions of Cherokee in northwestern Georgia.
The Noonday Water Reclamation Facility processes 20 millions of gallons per day for Northeast Cobb, North Marietta, East Kennesaw, and portions of Cherokee in northwestern Georgia.
Orangi Pilot Project
The Orangi Pilot Project refers to a socially innovative project carried out in 1980s in the squatter areas of Orangi Town, Karachi, Sindh, Pakistan.
The Orangi Pilot Project refers to a socially innovative project carried out in 1980s in the squatter areas of Orangi Town, Karachi, Sindh, Pakistan.
Organisms used in water purification
At present, several species of water-purifying plants, bacteria, and fish are used in water purification, improving efficiency and/or ecosystem support.
At present, several species of water-purifying plants, bacteria, and fish are used in water purification, improving efficiency and/or ecosystem support.
Percolation test
A percolation test is a test to determine the absorption rate of soil for a septic drain field or "leach field".
A percolation test is a test to determine the absorption rate of soil for a septic drain field or "leach field".
Population equivalent
Population equivalent or unit per capita loading, (PE), in waste-water treatment is the number expressing the ratio of the sum of the pollution load produced during 24 hours by indus...
Population equivalent or unit per capita loading, (PE), in waste-water treatment is the number expressing the ratio of the sum of the pollution load produced during 24 hours by indus...
Portable Sanitation Association International
The Portable Sanitation Association International (PSAI) is an international trade association dedicated to expanding and improving portable sanitation services and facilities worldwide.
The Portable Sanitation Association International (PSAI) is an international trade association dedicated to expanding and improving portable sanitation services and facilities worldwide.
Publicly owned treatment works
A publicly owned treatment works (POTW) is a term used in the United States for a sewage treatment plant that is owned, and usually operated, by a government agency.
A publicly owned treatment works (POTW) is a term used in the United States for a sewage treatment plant that is owned, and usually operated, by a government agency.
Reclaimed water
Reclaimed water or recycled water, is former wastewater (sewage) that is treated to remove solids and certain impurities, and used in sustainable landscaping irrigation or to recharge grou...
Reclaimed water or recycled water, is former wastewater (sewage) that is treated to remove solids and certain impurities, and used in sustainable landscaping irrigation or to recharge grou...
Saint John, New Brunswick harbour cleanup
The Saint John, New Brunswick harbour cleanup is an infrastructure project that will bring an end to the practice of discharging raw sewage into the waterways of Saint John, New Brunswick, Canada.
The Saint John, New Brunswick harbour cleanup is an infrastructure project that will bring an end to the practice of discharging raw sewage into the waterways of Saint John, New Brunswick, Canada.
Sanitary sewer overflow
Sanitary sewer overflow (SSO) is a condition whereby untreated sewage is discharged into the environment prior to reaching treatment facilities thereby escaping wastewater treatment.
Sanitary sewer overflow (SSO) is a condition whereby untreated sewage is discharged into the environment prior to reaching treatment facilities thereby escaping wastewater treatment.
Sanitation
Sanitation is the hygienic means of promoting health through prevention of human contact with the hazards of wastes.
Sanitation is the hygienic means of promoting health through prevention of human contact with the hazards of wastes.
Sedimentation (water treatment)
Sedimentation is a physical water treatment process used to settle out suspended solids in water under the influence of gravity.
Sedimentation is a physical water treatment process used to settle out suspended solids in water under the influence of gravity.
Select Society of Sanitary Sludge Shovelers
The Select Society of Sanitary Sludge Shovelers (5S) is used by water environment associations (i.e., those working with sewage and sewage treatment) to honour those who have made a particular c...
The Select Society of Sanitary Sludge Shovelers (5S) is used by water environment associations (i.e., those working with sewage and sewage treatment) to honour those who have made a particular c...
Septic drain field
Septic drain fields are used to remove contaminants and impurities from the liquid that emerges from the septic tank.
Septic drain fields are used to remove contaminants and impurities from the liquid that emerges from the septic tank.
Sequencing batch reactor
Sequencing batch reactors (SBR) or sequential batch reactors are industrial processing tanks for the treatment of wastewater.
Sequencing batch reactors (SBR) or sequential batch reactors are industrial processing tanks for the treatment of wastewater.
Sewage
Sewage is water-carried waste, in solution or suspension, that is intended to be removed from a community.
Sewage is water-carried waste, in solution or suspension, that is intended to be removed from a community.
Sewage diver
A sewage diver is a person whose job requires them to dive into sewage to perform necessary maintenance work.
A sewage diver is a person whose job requires them to dive into sewage to perform necessary maintenance work.
Sewage regulation and administration
Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants from wastewater and household sewage, both runoff (effluents) and domestic.
Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants from wastewater and household sewage, both runoff (effluents) and domestic.
Sewage sludge treatment
Sewage sludge treatment described the processes used to manage and dispose of the sludges produced during sewage treatment.
Sewage sludge treatment described the processes used to manage and dispose of the sludges produced during sewage treatment.
Sewage treatment
Sewage treatment is the process of removing contaminants from wastewater and household sewage, both runoff (effluents) and domestic.
Sewage treatment is the process of removing contaminants from wastewater and household sewage, both runoff (effluents) and domestic.
Sewer Dosing Unit
A Sewer Dosing Unit (SDU) is a plumbing device to allow effective sewage disposal with low liquid flow rates.
A Sewer Dosing Unit (SDU) is a plumbing device to allow effective sewage disposal with low liquid flow rates.
Simplified sewerage
Simplified sewerage is a low-cost sewer system that collects all household wastewater in small-diameter pipes laid at fairly flat gradients.
Simplified sewerage is a low-cost sewer system that collects all household wastewater in small-diameter pipes laid at fairly flat gradients.
Sludge
Sludge refers to the residual, semi-solid material left from industrial wastewater, or sewage treatment processes.
Sludge refers to the residual, semi-solid material left from industrial wastewater, or sewage treatment processes.
Slum Networking
Slum Networking is a holistic approach for improving urban infrastructure, developed by Himanshu Parikh of Ahmedabad, India.
Slum Networking is a holistic approach for improving urban infrastructure, developed by Himanshu Parikh of Ahmedabad, India.
Submersible mixer
A submersible mixer is a mechanical device that is used to mix sludge tanks and other liquid volumes.
A submersible mixer is a mechanical device that is used to mix sludge tanks and other liquid volumes.
Surplus Activated Sludge
Surplus Activated Sludge refers to the bacterial cell bodies produced in Sewage treatment works by the aeration of sewage effluent.
Surplus Activated Sludge refers to the bacterial cell bodies produced in Sewage treatment works by the aeration of sewage effluent.
Total Kjeldahl Nitrogen
Total Kjeldahl Nitrogen or TKN is the sum of organic nitrogen, ammonia, and ammonium in the chemical analysis of soil, water, or wastewater.
Total Kjeldahl Nitrogen or TKN is the sum of organic nitrogen, ammonia, and ammonium in the chemical analysis of soil, water, or wastewater.
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...
Urban Waste Water Directive
The Urban Waste Water Treatment Directive, full title Council Directive 91/271/EEC of 21 May 1991 concerning urban waste-water treatment is a European Union directive concerning the "colle...
The Urban Waste Water Treatment Directive, full title Council Directive 91/271/EEC of 21 May 1991 concerning urban waste-water treatment is a European Union directive concerning the "colle...
Vacuum sewerage
Technical implementations of vacuum sewerage systems were started after 1959 in Sweden by Joel Liljendahl and afterwards brought onto the market by Electrolux.
Technical implementations of vacuum sewerage systems were started after 1959 in Sweden by Joel Liljendahl and afterwards brought onto the market by Electrolux.
Vitrified clay pipe
Vitrified Clay Pipe (VCP) is pipe made from clay that has been subjected to vitrification, a process which fuses the clay particles to a very hard, inert, glass-like state.
Vitrified Clay Pipe (VCP) is pipe made from clay that has been subjected to vitrification, a process which fuses the clay particles to a very hard, inert, glass-like state.
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.
Water industry
The water industry provides drinking water and wastewater services to residential, commercial, and industrial sectors of the economy.
The water industry provides drinking water and wastewater services to residential, commercial, and industrial sectors of the economy.
Water reclamation
Water reclamation is a process by which wastewater from homes and businesses is cleaned using biological and chemical treatment so that the water can be returned to the environment safely to aug...
Water reclamation is a process by which wastewater from homes and businesses is cleaned using biological and chemical treatment so that the water can be returned to the environment safely to aug...
Water resource policy
Water resource policy, encompasses the institutions, and policy making processes.
Water resource policy, encompasses the institutions, and policy making processes.
Water, Sanitation and Hygiene Monitoring Program
The Water, Sanitation and Hygiene Monitoring Program or WaSH MP is a local initiative that is responsible for monitoring the enduring crisis in the water sector in the Palestinian territor...
The Water, Sanitation and Hygiene Monitoring Program or WaSH MP is a local initiative that is responsible for monitoring the enduring crisis in the water sector in the Palestinian territor...