Poly aluminum chloride, or PAC, is a new high efficiency inorganic polymeric flocculant. It is a hydrolytic product between ALCL3 and AL(OH)3 ,The molecular formula of bridging polymerization through hydroxyl group is:[Al2(OH)nCl6-n·xH2o]m(m≤10,n=1~
Polyaluminum chloride is easily soluble in water and has strong bridging adsorption performance. During the hydrolysis process, physical and chemical changes such as electrochemistry, condensation, adsorption and precipitation occur. This product is mainly used for the purification of drinking water and the treatment of industrial sewage, such as radioactive substances, high toxic heavy metal (Cr++) containing lead (Pb++) and sewage containing fluorine (F). In addition, in precision casting, paper, leather and other aspects of a wide range of USES.
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