Q. Biogas produced by fermentation of manure, sewage, cattle dung, etc predominantly comprises
Solution:
Biogas typically refers to a gas produced by the biological breakdown of organic matter in the absence of oxygen. The typical composition of biogas given below
Compound
Percentage
Methane
50-75
Carbon dioxide
25-50
Nitrogen
0-10
Hydrogen
0-1
Hydrogen sulphide
0-3
Oxygen
0-2
| Compound | Percentage |
|---|---|
| Methane | 50-75 |
| Carbon dioxide | 25-50 |
| Nitrogen | 0-10 |
| Hydrogen | 0-1 |
| Hydrogen sulphide | 0-3 |
| Oxygen | 0-2 |