What kind of process is secondary treatment?

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Question

(C) Secondary treatment,also known as biological treatment,is a process where aerobic microbes (bacteria and fungi) are used to decompose the organic

Vedclass · Accepted Answer

Biological

Vedclass · Answer

(C) Secondary treatment,also known as biological treatment,is a process where aerobic microbes (bacteria and fungi) are used to decompose the organic matter present in the primary effluent. $1$. Primary treatment is a physical process involving filtration and sedimentation. $2$. Secondary treatment is a biological process where microorganisms consume the organic waste,thereby reducing the Biological Oxygen Demand $(BOD)$ of the effluent. $3$. Therefore,the correct answer is $C$ (Biological).

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