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The maximum temperature at which thermophilic microorganisms remain active in sludge digester is ___________

(a) 60^oC

(b) 40^oC

(c) 30^oC

(d) 20^oC

This question was addressed to me in unit test.

Asked question is from Digestion of Sludge, Sludge Digestion Tank in section Sewage Filtration and Activated Sludge Process of Environmental Engineering

1 Answer

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Best answer
Right answer is (a) 60^oC

The best explanation: The maximum and minimum temperature at which thermophilic microorganisms remain active in sludge digester are 60^oC and 40^oC respectively.

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