In the sewage treatment, bacterial flocs are allowed to sediment in a settling tank. This…
Biology · Class 12 · CBSE — Microbes in Human Welfare
In the sewage treatment, bacterial flocs are allowed to sediment in a settling tank. This sediment is called as
- inactivated sludge
- activated sludge
- primary sludge
- secondary sludge.
Answer
(B) activated sludge
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