A settling tank is used to remove suspended solids from wastewater. The rate of flow of wastewater into the tank is 10 liters/sec and the influent concentration of suspended solids (SS) is 200 mg/L....

Extracted text: A settling tank is used to remove suspended solids from wastewater. The rate of flow of wastewater into the tank is 10 liters/sec and the influent concentration of suspended solids (SS) is 200 mg/L. The removal efficiency of the settling tank for SS is 70%. The amount of SS (sludge) in kg accumulating in the sludge zone each day is