Physical and chemical properties of polyaluminum chloride
Polyaluminum chloride has properties such as adsorption, coagulation, and precipitation, but its stab...
Physical and chemical properties of polyaluminum chloride
Polyaluminum chloride has properties such as adsorption, coagulation, and precipitation, but its stability is poor and it is corrosive. If it accidentally splashes onto the skin, it should be immediately rinsed with water. Production personnel should wear work clothes, 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 and sedimentation, low effluent turbidity, and good dehydration performance. Using spray drying products can ensure safety, reduce water accidents, and be very safe and reliable for residents' drinking water. Therefore, polyaluminum chloride is also referred to as high efficiency polyaluminum chloride, high efficiency PAC or high efficiency spray drying polyaluminum chloride. Polyaluminum chloride is suitable for various turbidity levels of raw water and has a wide pH range. However, compared to polyacrylamide, its settling effect is far inferior.
The basicity of polyaluminum chloride is a relatively important indicator in polyaluminum, especially for polyaluminum products of drinking water grade. The lower the salinity, the higher the price, and each purchaser can operate according to the actual situation of the manufacturer. In addition, the basicity of polyaluminum chloride products produced and processed by different raw materials and processes also varies, which requires manufacturers to make adjustments. Improving the basicity of polyaluminum chloride products can significantly enhance the economic benefits of production and use. The increase in salinity from 65% to 92% can reduce production raw material costs by 20% and usage costs by 40%.
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