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The residue left after methane productio...

The residue left after methane production from cattle dung is

A

burnt

B

burried in land fills

C

used as manure

D

used in civil construction

Text Solution

Verified by Experts

The correct Answer is:
C
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 dioxide `(30-40%)` with traces fo nitrogen, hydrogen sulphide and hydrogen. the effluent and residue left after the fermentative generation of biogas is rich in minerals, lignin and a part of cellulose. it is an ideal manure.
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