Question : The residue left after methane production from cattle dung is(A) Burnt(B) Buried in land fills(C) Used as manure(D) Used in civil construction

Question : The residue left after methane production from cattle dung

1.	Question : The residue left after methane production from cattle dung is(A) Burnt(B) Buried in land fills(C) Used as manure(D) Used in civil construction
Answer» Burnt Buried in LAND fills Used as manure Used in civil construction SOLUTION :The raw material is excreta of cattles for PRODUCTION of biogas. The biogas plant is a pit of concrete tank (10-15 feet DEEP) in which bio wastes are collected and a slurry of dung is fed. Gobar (excreta/dung) of cattle is rich in these BACTERIA. Dung can be used for generation of biogas, commonly called gobar gas. The residue left after methane production from cattle dung is used as manure