List the events that lead to biogas production from waste water whose – InterviewSolution

1.	List the events that lead to biogas production from waste water whose BOD has been reduced significantly.
Answer» The effluent is passed into a settling tank where the bacterial ‘flocs’ are allowed to sediment. This is called activated sludge. The sludge is pumped into anaerobic sludge digesters where they are anaerobically digested. During this digestion, bacteria produce biogas.

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