Question: An activated sludge plant has a design flow ( average daily flow ) of 1 1 MGD . Determine dimensions of dechlorination tank. Use 1

An activated sludge plant has a design flow (average daily flow) of 11 MGD. Determine dimensions of dechlorination tank. Use 1 tank. Depth =10 ft, rectangular tank: L =4 W
Design parameters: detention time =15 minutes (based on maximum hourly flow)
Formula: V = Q t A = V / depth A = W L
Q = max hr flow (MGD)=(3)(average daily flow (MGD)))

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