Question

Write about the role of biogas in controlling air pollution.

Answer 1

1. Biogas refers to the gas produced by the biological breakdown of organic matter in the absence of oxygen.
2. When materials such as vegetable waste, sewage, plant residues left after the harvesting of crops, cow dung, etc. are decomposed in the absence of oxygen, they give biogas.
3. Biogas is an excellent fuel. It is a type of biofuel.
4. It burns without smoke, and biogas plant leaves no residue like ash in wood, charcoal and coal burning.
5. Biogas contains 75 percent methane, which makes it an excellent fuel.
6. It also has a high heating capacity. Biogas is also called swamp, marsh, Landfill Gas (LFG), or digester gas.