Szukana fraza: [Abstract = "The literature data indicate that polyaluminium chlorides are more effective at removing contaminants than sulfate \(VI\) aluminum. Coagulants are also less sensitive to low temperature and changes in pH of purified water. Polyaluminium chlorides less than sulfate \(VI\) of alu\-minum intensified of the water corrosivity after coagulation."]

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