What is the contact zone loading rate for a conventional dissolved air floatatio

Question

What is the contact zone loading rate for a conventional dissolved air floatation process considered?

Options:

A . 120-300 m/h

B . 300-350 m/h

C . 40-90 m/h

D . 60-180 m/h

Answer: Option A
Answer: (a).120-300 m/h

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