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The effluent from the primary settling tank is taken for secondary treatment.

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in Biology – Class 12 by (271k points)
The effluent from the primary settling tank is taken for secondary treatment.

(a) True

(b) False

I got this question during an internship interview.

This interesting question is from Microbes in Sewage Treatment topic in portion Microbes in Human Welfare of Biology – Class 12

1 Answer

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The correct option is (a) True

Explanation: The effluent from the primary settling tank is taken for secondary treatment. The primary effluent is then passed into large aeration tanks where it is constantly agitated mechanically and the air is pumped into it.

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