InterviewSolution
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InterviewSolution
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Explain how this sludge is used in biogas production. |
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Answer» A small part of the activated sludge is pumped back into the aeration tank to serve as the inoculum. The remaining major part of the activated sludge is pumped into large tanks called anaerobic sludge digesters. The anaerobic bacteria digest the bacteria and fungi in the sludge and produces mixture of gases like methane, hydrogen sulphide and CO2 which constitute biogas |
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