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Methanogenic bacteria are not found in
Methanogenic bacteria are not found in
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Solution
The correct option is D activated sludge
Methanogenic bacteria (that produce methane) are not found in activated sludge. The microbes present in the activated sludge are aerobic bacteria that grow rapidly and form flocs.
During secondary treatment of wastewater, it is in the anaerobic sludge digesters where other kinds of bacteria which grow anaerobically, digest the bacteria and fungi in the sludge producing mixture of gases such as methane, hydrogen sulphide and CO2 which form the biogas.
Methanogenic bacteria (that produce methane) are not found in activated sludge. The microbes present in the activated sludge are aerobic bacteria that grow rapidly and form flocs.
During secondary treatment of wastewater, it is in the anaerobic sludge digesters where other kinds of bacteria which grow anaerobically, digest the bacteria and fungi in the sludge producing mixture of gases such as methane, hydrogen sulphide and CO2 which form the biogas.
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