In sewage treatment, 2hich bacteria are used to digest ACTIVATED SLUDGE in anaerobic sludge digestors?
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Explanation:
The methanogenic archaea populations play an indispensable role in anaerobic wastewater treatments. Anaerobic digestion is used as part of the process to treat biodegradable waste and sewage sludge.
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As there is no new supply of organic material from sewage, the activated sludge biota begin to die and are used as food by saprotrophic bacteria. This stage of the process is known as endogenous respiration and it is process that reduces the solid concentration in the sludge.
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