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Which of the following process is not involved in the treatment of sludge?

(a) Dewatering

(b) Drying

(c) Flocculation

(d) Conditioning

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My enquiry is from Mechanical Aeration System, Treatment of Sludge in division Sewage Filtration and Activated Sludge Process of Environmental Engineering

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Best answer
The correct option is (c) Flocculation

Explanation: The process involved in the treatment of sludge are thickening, stabilization, dewatering and dying.

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