Mathematics, 12.04.2021 22:30 madisonweber2001

A municipal wastewater treatment plant employs two circular primary clarifiers arranged in parallel, following the bar screen and grit removal chamber. The plant receives 10 MGD. Each clarifier is center-fed (water enters at the center and exists at the perimeter). The clarifier radius is 50 ft and depth is 22 ft. What is the detention time (in hr) in each clarifier

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