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Biology · MICROBES IN HUMAN WELFARE

हिन्दी

Which of the following best describes the structural component of a biogas plant where spent slurry is removed after microbial action?

  1. Inlet pipe connected to underground water tanks
  2. An outlet connected to remove spent slurry which can be used as fertilizer
  3. Floating gas-holder dome connected directly to pressure valves
  4. A sealed anaerobic aeration basin with rotating mechanical stirrers

Correct answer · Option 2

An outlet connected to remove spent slurry which can be used as fertilizer

Explanation

The spent slurry is removed through another outlet in the biogas plant and may be used as fertilizer.

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