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Question
In the context of sludge conditioning, Elutriation is synonymous to
A.
Washing
B.
Heating
C.
Compacting
D.
Filtering
Answer ( Option A)

Washing

Solution

Elutriation is a process of sludge conditioning whereby a sludge is washed either by fresh water or plant effluent, to reduce the sludge alkalinity and fine particles, thus decreasing the amount of required coagulant in further treatment steps or in sludge dewatering.

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