The BOD of effluent water is: | vedclass

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Question

(B) The $BOD$ (Biochemical Oxygen Demand) refers to the amount of oxygen that would be consumed if all the organic matter in one liter of water were o

Vedclass · Accepted Answer

Less than $1$

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(B) The $BOD$ (Biochemical Oxygen Demand) refers to the amount of oxygen that would be consumed if all the organic matter in one liter of water were oxidized by bacteria.Sewage water has a very high $BOD$ because it contains a large amount of organic matter.During sewage treatment,the water is treated until the $BOD$ is significantly reduced.The effluent water released from a sewage treatment plant into natural water bodies must have a low $BOD$ to prevent pollution.In standard biological contexts,the $BOD$ of treated effluent water is typically considered to be less than $1$ $mg/L$ or very low compared to untreated sewage,though the specific value depends on the efficiency of the treatment process.

The $BOD$ of effluent water is:

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