Q. 54 Draw a diagrammatic sketch of biogas plant and label its various components given below gas holder, sludge chamber, digester, dung + water chamber.
The tank has a floating cover which rises on production of gas in the tank. ‘Methanobacterium in the dung act on the bio-wastes to produce biogas. The gas produced is supplied to nearby houses by an outlet. Through another oullel, the spent slurry is removed to be used as fertiliser. Biogas is used as fuel for cooking and lighting.
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