Poly aluminium Chloride/PAC is a kind of inorganic macromolecule flocculant. Through the hydroxyl ion bridging function and the polyvalent anion polymeric function, it produces large molecular and high electricity inorganic macromolecule. It adapts a wide PH range of 5.0~9.0, and the best is between 6.5~7.6.

1)Purification of river water, lake water and underground water，industry water and industry recycling water.

2)Reclaiming coal from coal-washing waste water and kaolin in ceramic industry

3)Purification of the waste water in printing and dyeing industry, leather industry, brewage industry, meat-processing industry, coal-washing, metallurgy industry, mine, pharmacy, paper-making, and purification of the waste water containing fluorine, oil and heavy metals

4)Tannage and cloth cockling-prevent，Catalyzer carrier.

5)Cement Solidifying, and moulding；Refining of pharmaceuticals, glycerine and sugar；Paper-making glue.