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In the sewage treatment, bacterial flocs...

In the sewage treatment, bacterial flocs are allowed to sediment in a setting tank. This sediment is called as

A

Inactivated sludge

B

Activated sludge

C

Primary sludge

D

Secondary sludge

Text Solution

Verified by Experts

The correct Answer is:
B
Once the BOD of sewage or wastewater is reduced significantly the effluent is then passed into a settling tank where the bacterial flocs are allowed to sediment. This sediment is caused by activated sludge.
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