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in Environmental Engineering by (81.4k points)
The detention period of the vertical flow clarifier is _______

(a) 1-1.5

(b) 2

(c) 3.5

(d) 4

The question was asked in final exam.

The question is from Design Elements of Sedimentation in section Sedimentation of Environmental Engineering

1 Answer

+1 vote
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Best answer
The correct option is (a) 1-1.5

To elaborate: Typical design value of the detention period for the vertical flow clarifier is between 1 to 1.5 hours. They normally remove the flocculent.

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