Question

short note on biogas.

Answer 1

Biogas refers to a mixture of different gases produced by the breakdown of organic matter in the absence of oxygen. Biogas can be produced from raw materials such as agricultural waste, manure, municipal waste, plant material, sewage, green waste or food waste. Biogas is a renewable energy source.

Answer 2

Biogas is a methane rich fuel gas produced by anaerobic breakdown or digestion of biomass with the help of methanogenic bacteria.

Biogas is made up of methane (50-70%), carbon dixide (30-40%) with traces of nitrogen, hydrogen sulphide and hy­drogen. 50% of the combustible energy present in the organic waste can be changed into methane gas.

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