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Question
What would happen if oxygen availability to activated sludge flocs is reduced?
Options
It will slow down the rate of degradation of organic matter.
The center of flocs will become anoxic, which would cause death of bacteria and eventually breakage of flocs.
Flocs would increase in size as anaerobic bacteria would grow around flocs.
Protozoa would grow in large numbers.
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Solution
The center of flocs will become anoxic, which would cause death of bacteria and eventually breakage of flocs.
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