1.

Biogas is an excellent fuel. Justify the statement by giving two reasons. Mention the main constituents of biogas along with its percentage,

Answer»

SOLUTION : i) It burns without smoke and LEAVE no residue therfore does not cause atmosperic pollution.
ii) Its heating capacity is high i,e, it has high high calorific VALUE, main contituent of bio gas The composition of organic wastes varies depending upon the nature of organic matter feeding in the digester and advanced waste TREATMENT TECHNOLOGY The typical composition of bio gas is
Methane50-75%
Carbondioxide25-50%
Nitrogen0-10%
Hydrogen0-1%
Hydrogen sulphide0-3%


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