Polyaluminum chloride is a water-soluble inorganic polymer, abbreviated as PAC. It has the characteristics of good spray drying stability, wide adaptability to water area, fast hydrolysis speed and strong adsorption capacity. 1 Physical Chemistry Polyaluminum chloride has the properties of adsorption, coagulation, precipitation, etc., its stability is poor, and it is corrosive. If it is accidentally splashed on the skin, it should be washed with water immediately. Production staff should wear overalls, masks, gloves, and long rubber boots. Polyaluminum chloride has the advantages of good spray drying stability, wide adaptability to water area, fast hydrolysis speed, strong adsorption capacity, large alum formation, fast mass density precipitation, low turbidity of effluent, and good dehydration performance. Spray-dried products can ensure safety, reduce water accidents, and are very safe and reliable for residents' drinking water. Therefore, polyaluminum chloride, also referred to as high-efficiency polyaluminum chloride, high-efficiency PAC or high-efficiency grade spray-drying polyaluminum chloride. Polyaluminum chloride is suitable for raw water of various turbidity and has a wide range of pH, but compared with polyacrylamide, its sedimentation effect is far less than that of polyacrylamide.
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