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Why are flocs important in bioligical tr...

Why are flocs important in bioligical treatment of waste water?

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Flocs are large, heavy masses of aerobic bacteria, algae and semi-decayed organic matter associated with fungal filaments in sewage water, which settle down in secondary treatment tanks. They can be easily removed making water purified and drinkable.
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ICSE-MICROBES IN HUMAN WELFARE-COMPETITION CORNER (OBJECTIVE TYPE QUESTIONS (ASSERTION AND REASON TYPE QUESTIONS))
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