+1 vote
in Environmental Engineering by (81.4k points)
Which of the following is not a part of dewatering process?

(a) Drying bed

(b) Air flotation

(c) Vacuum filter

(d) Drying lagoon

The question was asked by my school teacher while I was bunking the class.

Query is from Sludge Thickening, Sludge Dewatering topic in section Sewage Filtration and Activated Sludge Process of Environmental Engineering

1 Answer

+2 votes
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Best answer
The correct option is (b) Air flotation

Explanation: Air flotation is a part of the sludge thickening process and drying bed, drying lagoon and vacuum filter are part of the dewatering process.

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