i currently work at a waste water pollution control facility.we do approximately dose anywhere from 1300-3300 m3 of raw waste water per day. currently we use from 300-350 liters of liquid alum per day depending on volume of raw. I am wondering what formula would i use to calculate dosage mg/l. we have no way on doing draw downs. We are investigating on getting pace to flow.specific gravity is 1.33. can anybody help?
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