A coagulation treatment last is required to treat the flow of 0.5 m3/sec which has suspended solid concentration of 35 mg/l. The optimum dosage of alum obtained from Jar test is 18 mg/l. Then the total dry solids produced per day in the tank with an efficiency of 60% is ___________.
1
786.94 kg
2
954.72 kg
3
1089.34 kg
4
1257.72 kg