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Concept of Primary Sludge

Effluent of t...

Question

Effluent of the primary treatment can increase the BOD of any water body.

A

True

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B

False

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Solution

The correct option is A True
The effluent that comes out after processing the sewage water in the primary treatment is rich in minerals and organic nutrients. If this effluent is allowed to pass on to the water body, it will increase the BOD of the water.

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