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Biogas

Biogas

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Biogas is a gas produced through biomethanisation, a process in which organic matter is decomposed in the absence of oxygen.


Biogas Composition

Biogas consists mainly of methane (50-80% CH4) and carbon dioxide (20-40% CO2). Other gases are present in small quantities: dihydrogen (H2), hydrogen sulphide (H2S), dinitrogen (N2) and steam (H2O). The energy content of the biogas comes from methane and dihydrogen.


Uses

Biogas can also be cleaned to keep the biomethane fraction and compressed to produce biofuel or be injected into the natural gas network.


Biogas treatment

In most cases, it is necessary to purify the biogas prior to use. It is recommended,whatever the recovery system is, to remove the water and hydrogen sulphide in order to not damage equipment.


Biogas, a sustainable gas

Through the use of feedstocks such as livestock manure or agricultural and agro-food waste, biomethanisation helps to avoid emissions of methane that would otherwise be released into the atmosphere (generating pollution) without any energy recovery.

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