Polyaluminum chloride is an inorganic polymer coagulant with the molecular formula [Al2(OH)nCl6-n·xH2O]m(m≤10, n=1～5). It is an inorganic polymer compound, which is a hydrolysis product between aluminum chloride and aluminum hydroxide. Due to the bridging effect of hydroxide ions and the polymerization of polyvalent anions, an inorganic polymer water treatment agent with larger molecular weight and higher electric charge is generated. Polyaluminum chloride is a Chemicalbook inorganic polymer coagulant, also referred to as polyaluminum, and the English abbreviation is PAC. Due to the bridging effect of hydroxide ions and the polymerization of polyvalent anions, the molecular weight produced is relatively large. Highly charged inorganic polymer water treatment agent. In terms of morphology, it can be divided into solid and liquid. Solids are divided into brown, yellow and white according to different colors. Polyaluminum chloride of different colors is also quite different in application and production technology.
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