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  1. pubs.acs.org

    Oct 25, 2024Methane (CH4) thermal pyrolysis is a promising, carbon dioxide (CO2)-free method for hydrogen (H2) production, decomposing CH4 into H2 and solid carbon. This highly endothermic and energy-intensive process can sustainably be powered by microwave (MW) heating supported by renewable electricity. In this study, we investigated the efficacy of H2 production and simultaneous carbon capture through ...
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  3. onlinelibrary.wiley.com

    Oct 21, 2024Hydrogen is often envisioned as a green fuel and energy carrier. However, a greenhouse gas-free production method is still needed for this purpose. A promising method is the pyrolysis of methane. In this study, we present the three-dimensional simulation of methane pyrolysis in a microwave plasma torch operated in an argon-methane mixture.
  4. aimspress.com

    designed and assembled for hydrogen production by plasma pyrolysis of methane [22]. 2. Materials and methods All hydrocarbon compounds are more or less unstable at high temperatures, and are destroyed by strong heating. Methane at temperatures above 1000 ℃ decomposes into carbon and hydrogen, as shown in the chemical reaction:
  5. onlinelibrary.wiley.com

    Mole fractions of hydrogen, dicarbon, methane, and solid carbon in thermal equilibrium as a function of gas temperature for the pyrolysis of 4% vol methane in argon at atmospheric pressure. The maximum mole fraction of dicarbon in thermal equilibrium is reached at a temperature of about 3800 K for an initial methane volume concentration of 4% ...
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  7. sciencedirect.com

    Hydrogen can be produced from different kind of feedstock like fossil fuels, water, biomass. Recently, in industry methane or natural gas reforming is widely used to obtain hydrogen or synthesis gas, which are utilized, for example as source materials for the production of raw chemicals (e.g. methanol and ammonia), as well as hydrogenation agents in oil refinery and reducing gases in steel ...
  8. ispc-conference.org

    Keywords: methane pyrolysis, hydrogen production, microwave plasma, Swan bands 1.Introduction Hydrogen is often regarded as green fuel of the future. Today, hydrogen is mainly produced by steam reforming of methane. Since this process emits a lot of CO 2 (11 tons of CO 2 per ton of H 2) [1], the production of hydrogen is
  9. legacy.www.sbir.gov

    The goal of MAAT Energy is the production of low-carbon hydrogen at a cost of < $2.0 / kg H2. Currently, the primary method (> 95%) employed for hydrogen production commercially is steam-methane reforming (SMR). While, this process can produce hydrogen at a cost of < $2.0 / kg H2 it has a high carbon intensity.
  10. sciencedirect.com

    The conventional steam methane reforming could be such a benchmark. In contrast to the conventional technology, the presented microwave plasma based method of hydrogen production from methane does not use a catalyst and is addressed to small-scale facilities such as fuel stations [41]. The second difference is the method for providing the heat ...
  11. onlinelibrary.wiley.com

    The main products in a methane/ argon plasma were hydrogen, CH2 2, and solid carbon. An amount of 50% of methane was converted into CH2 2 while up to 30% was converted into solid carbon. [13] In mixtures of methane and hydrogen, the main products were hydrogen and CH2 2 with selectivities towards CH2 2 of up to 90%. [15]

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