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Daily Water Treatment Question (12.6)

2016-12-06View Original

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1. The factor that is unrelated to the length setting of the air flotation tank is ____. A. Minimum upward velocity of bubbles B. Depth of the tank C. Horizontal flow velocity D. Method of chemical dosing 2. The functions of a flotation tank generally do not include ____. A. Coagulation process B. Sludge discharge C. Aggregation of scum D. Adhesion and floating of bubbles and flocs 1. D; 2. A

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