Question: Answer all correctly completely plz i will rate In a water treatment plant alum is being used as a coagulant to help precipitate colloidal suspensions.

Answer all correctly completely plz i will rate

In a water treatment plant alum is being used as a coagulant to help precipitate colloidal suspensions. The required end dosage of alum is 50 mg/L. If the flowrate to the plant is 1,000 m3/d, the alum solution to be injected is at a concentration of 48% (w/w) and the relative density of the solution is 1.35, calculate the feed rate for the alum. (2 marks)

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