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The design solid surface loading in an activated sludge process is ___________

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The  design solid surface loading in an activated sludge process is ___________

(a) 10 kg/m^2/day

(b) 25 kg/m^2/day

(c) 15 kg/m^2/day

(d) 35 kg/m^2/day

I had been asked this question in an online quiz.

The doubt is from Sludge Thickening, Sludge Dewatering topic in division Sewage Filtration and Activated Sludge Process of Environmental Engineering

1 Answer

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Best answer
Correct choice is (b) 25 kg/m^2/day

To explain: The design solid surface loading during a gravity thickening process in an activated sludge plant  lies between 25 to 30 kg/m^2/day.

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