Poly Aluminium Chloride, abbreviated as PAC, is a new type, high effective inorganic polymer flocculam. It is the producr between AlCl3 and AL(OH)3, polymerized by building a bridge through hydroxyl. Its chemical formula is[[AL2(OH)nCL6-n] m, in which m<10, n<5. PAC is easily dissolved in water and has a strong bridge-building adsorption performance. During the process of hydrolysis, there are physial ang chemical changes such as electric chemistry, condenstion, adsorption and presipitation, etc. This products is mainly used in the purification of the drinking water and the treatment of industrial seawage, such as seawage with oil, the sewage of textile, printing, papermaking mill etc. and the treatment of some special water , such as the water with radioactivity Pb++,Cr+++, poisonous heavy metal or fluorine, etc. In addition, it is also widely used in precies casting, papermaking and leathermaking, etc.
Note: the performance, usage and characteristic of compound PAC are the same with PAC. The two kinds of products can be selected to use according to the characteristic of the water.
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