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16/01/2022 7:04 pm
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What would happen if oxygen availability to activated sludge floes is reduced?
(a) It will slow down the rate of degradation of organic matter.
(b) The center of floes will become anoxic, which would cause death of bacteria and eventually breakage of floes.
(c) Floes would increase in size as anaerobic bacteria would grow around floes.
(d) Protozoa would grow in large numbers.
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16/01/2022 7:07 pm
Correct answer: (b) The center of floes will become anoxic, which would cause death of bacteria and eventually breakage of floes.
Explanation:
If oxygen availability to activated sludge floes is reduced the center of floes will become anoxic, which would cause death of bacteria and eventually breakage of floes.