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Which of the following has minimum hydraulic retention time?

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+2 votes
in Environmental Engineering by (81.4k points)
Which of the following has minimum hydraulic retention time?

(a) Conventional process

(b) Extended process

(c) Modified aeration process

(d) Complete mix process

I had been asked this question in examination.

The doubt is from Design of Activated Sludge Plant topic in portion Sewage Filtration and Activated Sludge Process of Environmental Engineering

1 Answer

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Best answer
Correct choice is (c) Modified aeration process

Best explanation: Modified aeration process has a minimum hydraulic retention time with an aeration period of 1.5 hours.

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