Question

Name the agent which decomposes animal dung in to biogas describe the steps involved in the process

Answer 1

The anaerobic micro-organisms decomposes animal dung.
1. Cow dung,various plant materials like vegetable waste,sewage etc are used in this.
2.A slurry of cow dung and water is made in mixing tank and then moved into the digester.
3. The digester do not contain oxygen and the slurry gets decomposed here because there is no use of oxygen.
4. It takes few days for decomposition and generate gases like methane,carbondioxide etc.

Answer 2

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