Describe how biogas is generated from activated sludge. List the compo – InterviewSolution

1.	Describe how biogas is generated from activated sludge. List the components of biogas.
Answer» The activated sludge is pumped into large tanks called anaerobic sludge digesters. Here, bacteria which grow anaerobically digest the bacteria and the fungi in the sludge. During this digestion, bacteria produce a mixture of gases which form biogas. Biogas is made up of methane, hydrogen sulphide and carbon dioxide.

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