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Which of the following sludge process has maximum aeration period?

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in Environmental Engineering by (81.4k points)
Which of the following sludge process has maximum aeration period?

(a) Conventional process

(b) Extended process

(c) Step aeration process

(d) Tapered aeration

The question was asked in exam.

I need to ask this question from Design of Activated Sludge Plant in chapter Sewage Filtration and Activated Sludge Process of Environmental Engineering

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Best answer
Correct option is (b) Extended process

To explain I would say: Extended process has a maximum aeration period of 12 to 24 hours.

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