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Which of the following is the correct expression of the aeration period in hours?

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+1 vote
in Environmental Engineering by (81.4k points)
Which of the following is the correct expression of the aeration period in hours?

(a) V/Q

(b) 24V/Q

(c) V/24Q

(d) Q/V

I had been asked this question in homework.

My question is taken from Design of Activated Sludge Plant in portion Sewage Filtration and Activated Sludge Process of Environmental Engineering

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Best answer
The correct choice is (b) 24V/Q

To elaborate: Aeration period = 24V/Q where V is the volume of the tank and Q is the quantity of sewage. It is measured in hours.

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