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The intermittent sand filters have better BOD removal efficiency than trickling filters.

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+2 votes
in Environmental Engineering by (81.4k points)
The intermittent sand filters have better BOD removal efficiency than trickling filters.

(a) True

(b) False

The question was asked during an online interview.

My question comes from Types of Sewage Filter in section Sewage Filtration and Activated Sludge Process of Environmental Engineering

1 Answer

+2 votes
by (693k points)
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Best answer
Correct option is (b) False

Best explanation: The trickling filters have the best BOD removal efficiency in comparison to the types of filters used in aerobic treatment with a maximum value of 95%.

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