What is biogas? How is it produced and name the microbes involved in the biogas production?
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Methanobacterium present inside the rumen of cattle digest the cellulose present in grass, and its dung is rich in the same bacteria. The dung orgobar is used to generate biogas in a biogas plant.
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Biogas is a biofuel produced from the anaerobic fermentation of carbohydrates in plant material or waste (eg food peelings or manure) by bacteria.
It is mainly composed of methane, with some carbon dioxide and other trace gases. However, the proportion of methane within the biogas can vary between 50% and 80%, depending on whether some oxygen is able to enter at the beginning or during the process. If some oxygen is present, the bacteria will respire aerobically and will produce a gas with a higher proportion of carbon dioxide and a lower proportion of methane.
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