During sewage treatment, effluent from which one of the following trea – McqOptions

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1.	During sewage treatment, effluent from which one of the following treatment units has minimum wt/vol amount of suspended solids?
A.	Detritus channel
B.	Primary sedimentation tank
C.	Secondary sedimentation tank
D.	Activated sludge process aeration tank
Answer» E.

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