Calculate Mass Oxygen Required Completely Mixed Activated Sludge Plant Domestic Wastewater Q28149979

Calculate the mass of oxygen required for a completely mixed activated sludge plant for domestic wastewater treatment. Design data .Flowrate of 0.25 m3/sec. BOD, concentration of settled wastewater is 250 mg/L .The effluent soluble BODs is 6.2 mg/L Increase in the mass of MLVSS is 1,646 kg/day. Assume that the temperature is 20 °C and the conversion factor, BOD5 / BOD, is 0.68.