The town of Camp Verde has been directed to upgrade its primary WWTP to a secondary plan...

The town of Camp Verde has been directed to upgrade its primary WWTP to a secondary plant that can meet an effluent standard of 25.0 mg/L BOD₅ and 30 mg/L suspended solids. They have selected a completely mixed activated sludge system for the upgrade. The existing primary treatment plant has a flow rate of 2,506 m³/d. The effluent from the primary tank has a BOD₅ of 240 mg/L. Using the following assumptions, estimate the required volume of the aeration tank: