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Activated sludge should have the ability...

Activated sludge should have the ability to settle quickly so that it can

A

Be abruptly pumped back from sedimentation tank to aeration tank

B

Absorb pathogenic bacteria present in waste water while sinking to the bottom of settling tank

C

Be discarded and anaerobically digested

D

Absorb colloidal organic matte

Text Solution

Verified by Experts

The correct Answer is:
A
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