Question

Spent slurry (Bio-waste after obtaining biogas) is used as
(a) fuel
(b) manure
(c) food for livestock
(d) used again for generating biogas

Answer 1

Answer:

manure

Explanation:

Answer 2

Option(b) is correct. Spent slurry is used as the manure after obtaining biogas.    

• In the biogas plant the slurry is produced as a secondary product of the process.
• The slurry is made by mixing organic materials and the appropriate amount of water.
• The main purpose of using slurry is to produce fuel gas.
• After the gas is formed the slurry left can be used as manure.
• Here option (b) manure is the correct answer.

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