White polyaluminum chloride is a white or milky powdered fine powder formed by spray drying of aluminum hydroxide powder and high-purity hydrochloric acid. It has high content, remarkable purification effect in sewage treatment, fast hydrolysis speed, strong adsorption capacity, and large alum formation. It is the standard requirement of polyaluminum chloride with good quality at present.
What are the characteristics of white polyaluminum chloride compared with ordinary polyaluminum chloride
1、 The cost of white polyaluminum chloride is high, so the price is also higher than that of ordinary polyaluminum chloride.
2、 White polyaluminum chloride has higher Al2O3 content than ordinary polyaluminum chloride.
3、 The basicity is low, only 50%, while the basicity of common polyaluminum is about 90%.
4、 The water insoluble matter is small, only 0.3%, while the common poly is more than 2%.
5、 The white polyaluminum chloride aqueous solution is colorless and transparent, while the ordinary polyaluminum chloride aqueous solution is yellow or brown.
6、 White polyaluminum chloride is made of aluminum hydroxide powder and high-purity hydrochloric acid by spray drying, and ordinary polyaluminum chloride is dried by roller after natural precipitation.
7、 The amount of domestic common polyaluminum chloride is large, and the white polyaluminum chloride is mostly exported abroad.
8、 Ordinary polyaluminum chloride is used in industrial production. White polyaluminum chloride belongs to the food industry and can be used in food, medicine and other industries. Low iron content, low temperature solubility, suitable for oil-water separation and other projects. The purification effect of high turbidity water is obvious, and there is no need to add alkaline additives or flocculants. It is suitable for a wide range of pH values of water bodies and has high water purification reliability. The corrosion to the equipment is small, and the labor intensity of the workers is low.
Application of white polyaluminum chloride:
1. Used for drinking water, industrial water supply, oilfield reinjection water, circulating cooling water and various sewage; 2. It is used as a precipitant for paper sizing, a decolorizing and clarifying agent for sugar making; 3. It is used in tanning, medicine, cosmetic casting and other fields. Water treatment white polyaluminum chloride solution configuration: liquid: prepare 5-10% aqueous solution. Solid: prepare 3-5% aqueous solution. Note: the higher the turbidity of raw water, the thinner the solution, and the greater the amount of polyaluminum chloride.
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