Biogas
- Biogas is a mixture of methane (nearly 75%), hydrogen sulphide, carbon dioxide and hydrogen.
- It is produced by the decomposition of animal wastes (cow dung) and plant wastes in the absence of oxygen.
- It is also commonly called as ‘Gobar gas’ since the starting material used is cow dung which means gobar in Hindi.
Uses of biogas
- It is used as fuel for cooking.
- It is used to run motors and pump sets.
- It is used to generate electricity.
Advantages of biogas
- It burns without smoke and therefore causes less pollution.
- An excellent way to get rid of organic wastes like bio-waste and sewage material.
- The leftover slurry is good manure rich in nitrogen and phosphorus
- It is safe and convenient to use
- It can reduce the amount of greenhouse gases emitted.