A surface water treatment plant operates round the clock with a flow rate of 35 m3/min. The water temperature is 15°C and jar testing indicated an alum dosage of 25 mg/l with flocculation at a Gt value of 4×104 producing optimal results. The alum quantity required for 30 days (in kg) of operation of the plant is ____________

A surface water treatment plant operates round the clock with a flow r

1.	A surface water treatment plant operates round the clock with a flow rate of 35 m3/min. The water temperature is 15°C and jar testing indicated an alum dosage of 25 mg/l with flocculation at a Gt value of 4×104 producing optimal results. The alum quantity required for 30 days (in kg) of operation of the plant is ____________
A.	378
B.	3780
C.	37800
D.	378000
Answer» D. 378000

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