Biogas Substrate
Biogas consists of 50-75% methane, 25-45% carbon dioxide, 2-8% water vapour and traces of O 2, N 2, NH 3, H 2, H 2 S. In comparison, natural gas contains 80 to 90% methane. Biogas can be used similarly to natural gas in gas stoves, lamps or as fuel for engines. The energy content of the gas depends mainly on its methane content.
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