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2019-08-07

As a type of coagulant, what are the main characteristics of polyaluminum chloride?

Polyaluminum chloride, also known as basic aluminum chloride or polyhydroxy aluminum chloride, is an inorganic polymeric polyelectrolyte flocculant. It is divided into two main categories: polyhydroxy aluminum chloride and polyhydroxy aluminum sulfate. Polyhydroxy aluminum chloride is a hydrolytic polymerization product intermediate between aluminum trichloride and aluminum hydrochloride; it is commonly referred to as basic aluminum chloride and is known in English as PAC.


2019-08-07

The sophisticated production process of calcium aluminate powder is applied in various fields.

Calcium aluminate powder is a specialized raw material used in the production of polyaluminum chloride—a water purification agent—obtained by crushing, drying, ball milling, forming billets, calcining, and grinding high-grade aluminous bauxite together with limestone. The industrial product appears grayish-white, is slightly soluble in water, and its aqueous solution is alkaline, with a pH value of approximately 11.