Flocs = ......... | vedclass

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(A) During the secondary treatment of sewage,the primary effluent is passed into large aeration tanks where it is constantly agitated mechanically and

Vedclass · Accepted Answer

Bacteria + Fungal filaments

Vedclass · Answer

(A) During the secondary treatment of sewage,the primary effluent is passed into large aeration tanks where it is constantly agitated mechanically and air is pumped into it. This allows vigorous growth of useful aerobic microbes into flocs. Flocs are masses of bacteria associated with fungal filaments to form mesh-like structures. These microbes consume the major part of the organic matter in the effluent,thereby reducing the Biological Oxygen Demand $(BOD)$.

Flocs = $.........$

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