... off firm, gathered, flocculation, coagulation, precipitation to purify the treatment effect. 2.SpecificationsPolyaluminium chloride1. ... to operate, less corrosion and better working conditions, low processing costs. 4. package and storage: ... 1/100000 of the waste water, which means to put 15kg solid PAC in 1000 ton ... 2 O 3.Counting. Target products of which A mandatory,B classes are recommended. Factory ...