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  2. Pyrolysis - Wikipedia

    en.wikipedia.org/wiki/Pyrolysis

    ] Pyrolysis gas has a high percentage of heavy tar fractions, which condense at relatively high temperatures, preventing its direct use in gas burners and internal combustion engines, unlike syngas. The process is used heavily in the chemical industry , for example, to produce ethylene , many forms of carbon , and other chemicals from petroleum ...

  3. Carbonization - Wikipedia

    en.wikipedia.org/wiki/Carbonization

    The gas produced by carbonization has a high content of carbon monoxide which is poisonous when breathed. Therefore, when working around the kiln or pit during operation and when the kiln is opened for unloading, care must be taken that proper ventilation is provided to allow the carbon monoxide, which is also produced during unloading through ...

  4. Biochar carbon removal - Wikipedia

    en.wikipedia.org/wiki/Biochar_carbon_removal

    Biochar carbon removal (also called pyrogenic carbon capture and storage) is a negative emissions technology.It involves the production of biochar through pyrolysis of residual biomass and the subsequent application of the biochar in soils or durable materials (e.g. cement, tar).

  5. Kværner process - Wikipedia

    en.wikipedia.org/wiki/Kværner_process

    The natural gas is efficiently and completely transformed into pure carbon and hydrogen and does not release carbon dioxide into the atmosphere. After separating the mixture, the carbon particles can be used for instance as activated carbon, graphite or industrial soot, special kinds of carbon such as carbon discs and carbon cones (see SEM image).

  6. Wood gas - Wikipedia

    en.wikipedia.org/wiki/Wood_gas

    The heat of combustion of "producer gas" – a term used in the United States, meaning wood gas produced for use in a combustion engine – is rather low compared to other fuels. Taylor (1985) [7] reports that producer gas has a lower heat of combustion of 5.7 MJ/kg versus 55.9 MJ/kg for natural gas and 44.1 MJ/kg for gasoline. The heat of ...

  7. Hydrogen production - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_production

    Manufacturing elemental hydrogen requires the consumption of a hydrogen carrier such as a fossil fuel or water. The former carrier consumes the fossil resource and in the steam methane reforming (SMR) process produces greenhouse gas carbon dioxide. However, in the newer methane pyrolysis process no greenhouse gas carbon dioxide is produced ...

  8. Pyrolysis oil - Wikipedia

    en.wikipedia.org/wiki/Pyrolysis_oil

    Pyrolysis oil, sometimes also known as biocrude or bio-oil, is a synthetic fuel with few industrial application and under investigation as substitute for petroleum.It is obtained by heating dried biomass without oxygen in a reactor at a temperature of about 500 °C (900 °F) with subsequent cooling, separation from the aqueous phase and other processes.

  9. Gasification - Wikipedia

    en.wikipedia.org/wiki/Gasification

    Pyrolysis of carbonaceous fuels Gasification of char. The dehydration or drying process occurs at around 100 °C. Typically the resulting steam is mixed into the gas flow and may be involved with subsequent chemical reactions, notably the water-gas reaction if the temperature is sufficiently high (see step #5).