Polyaluminum chloride, also referred to as PAC , PAC is an inorganic polymer water treatment agent. A new water purification material, inorganic polymer coagulant, referred to as polyaluminum. It is often used as coagulant in sewage treatment and widely used in sludge industry.
PAC is light yellow or red powder, easy to dissolve in water, due to the number of hydroxyl in the molecule, when the PAC is added to the turbidity source water, under the PH condition of the source water to continue hydrolysis, in the hydrolysis process, accompanied by condensation, adsorption, precipitation and a series of physical and chemical processes, often with polyacrylamide （PAM）to use together , the best effect, So as to achieve the purpose of purification.
PAC has the advantages of good spray drying stability, wide water area, fast hydrolysis rate, strong adsorption capacity, large alum formation, fast mass density precipitation, low turbidity of effluent, good dehydration performance and so on. The main removal of bacteria, odor, fluorine, aluminum, chromium, oil, turbidity, and other heavy metal salts in wastewater, in addition to radioactive pollutants, has a wide range of uses in the process of purifying various water sources.
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