Polyaluminum chloride (PAC) is an inorganic substance, a new water purification material, and an inorganic polymer coagulant, referred to as polyaluminum. It is a water-soluble inorganic polymer between AlCl3 and Al (OH) 3, with the chemical formula of [Al2 (OH) nCl6-n] m, where m represents the degree of polymerization and n represents the degree of neutrality of the PAC product. "N=1-5 is a highly charged polymerized cyclic chain with a Keggin structure, which has a high degree of electrical neutralization and bridging effects on colloids and particles in water, and can effectively remove slightly toxic substances and heavy metal ions, with stable properties.". The test method can be carried out according to the national standard GB 15892-2003. Due to the bridging action of hydroxide ions and the polymerization action of multivalent anions, the produced polyaluminum chloride is an inorganic polymer water treatment agent with relatively large molecular weight and high charge.
Application
Urban water supply and drainage purification: river water, reservoir water, groundwater.
2. Industrial water supply purification.
3. Urban sewage treatment.
4. Recycling of useful substances in industrial wastewater and waste residue, promoting the sedimentation of coal powder in coal washing wastewater, and recycling of starch in starch manufacturing industry.
5. Various industrial wastewater treatment: printing and dyeing wastewater, leather wastewater, fluorinated wastewater, heavy metal wastewater, oily wastewater, papermaking wastewater, coal washing wastewater, mining wastewater, brewing wastewater, metallurgical wastewater, meat processing wastewater, and wastewater treatment.
6. Paper sizing.
7. Sugar refining.
8. Casting molding.
9. Anti wrinkle fabric.
"Catalyst carrier.".
11. Pharmaceutical refining
Rapid setting of cement.
Cosmetic ingredients.
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