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Biogas is comprised primarily of methane and carbon dioxide. It also contains smaller amounts of hydrogen sulphide, nitrogen, hydrogen, methylmercaptans and oxygen. Biogas originates from bacteria in the process of bio-degradation of organic material under anaerobic (without air) conditions.
Biogas is the mixture of gases produced by the breakdown of organic matter in the ... These plants can be fed with energy crops such as maize silage or biodegradable wastes including
Anaerobic bacteria. Hint:Biogas formation is an anaerobic process which is processed in the presence of methane and carbon dioxide. Anaerobic organisms work in this process and use methane gas and carbon dioxide for the production of biogas. ... So, oxygen is not needed for the formation of the biogas.
Biogas can be cleaned and upgraded to natural gas standards, when it becomes bio-methane. Biogas is considered to be a renewable resource because its production-and-use cycle is continuous, and it generates no net carbon dioxide.