Question

Biogas is by far the most efficient use of cattle dung justify your statement

Answer 1

Answer:

1. The by-product of biogas plants i.e. the spent slurry, being rich in nitrogen and phosphorus is a good manure.

2. Cow dung cake has low calorific value i.e. 3.1kJ/g than the Methane gas (5.5kJ/g), a biogas constituent.

3. Bio gas is a clean fuel that burns without smoke and leaves no ash, unlike cow dung.

Answer 2

Explanation:

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