Kizmit4754 Kizmit4754

07-01-2024
Chemistry

contestada

A primary clarifier (primary sedimentation tank) which has a diameter of 40 ft and a height of 8 ft receives 0.7 MGD of wastewater. What is the retention time of the clarifier?

A) 25.6 hours
B) 28.8 hours
C) 32.0 hours
D) 36.5 hours

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