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Describe how do 'flocs' and 'activated s...

Describe how do 'flocs' and 'activated sludge' help in Sewage Treatment.

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a) Flocs are masses of bacteria associated with fungal filament to form mesh like structure. It helps in aerobic decomposition as well as filament help in trapping particles.
Process for treating sewage and in industrial waste waters using air and a biological floc composed of bacteria and protozoa.
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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-SECTION-C
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