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This study first investigated the effects of epichlorohydrin–dimethylamine (DAM-ECH) on coagulation performance and floc properties of polytitanium chloride (PTC) in humic acid-kaolin water treatment. The factors including DAM-ECH dosage, dosing sequence of PTC and DAM-ECH and initial solution pH were considered. Results showed that the addition of DAM-ECH could enhance turbidity removal and dissolved...
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