1.

What would happen if oxygen availability to activated sludge flocs is reduced?A. It will slow down the rate of degradation of organic matterB. The centre of flocs will bocome anoxic , which would cause death of bacteria and eventually breakage of flocsC. Flocs would increase in size as anaerobic bacteria would grow around flocsD. Protozoa would grow in large numbers

Answer» Correct Answer - B


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