Learn about polyaluminum chloride (PAC)

Polyaluminum chloride (PAC) is an inorganic substance, a new water purification material, inorganic polymer coagulant, referred to as polyaluminum. PAC polyaluminium chloride by spray drying good stability, adapt to the waters wide, hydrolytic speed, strong adsorption ability, form the alum flowers large, compact precipitation, low turbidity water, dehydration performance is good.


The color of polyaluminum chloride is generally white, light yellow, golden yellow, brown, and different colors of polyaluminum chloride are also different in application and production technology. Polyaluminum chloride with trialumina content between 26% and 35% in the standard range is mostly a solid powder of earthy yellow, yellow, and light yellow.


Drum polyaluminum chloride (PAC) aluminum content is general, water insoluble matter is high, more used in sewage treatment.

Plate and frame polyaluminum chloride (PAC) has high aluminum content and low water insoluble matter, which is used for municipal sewage treatment and domestic sewage treatment.

Spray drying polyaluminum chloride (PAC) has high aluminum content, low water insoluble matter and fast dissolution rate. For drinking water and higher standard water treatment.


Liquid polyaluminum chloride is an undried form, has the advantages of no dilution, easy handling and use, and relatively cheap price, the disadvantage is that the transportation needs tank trucks, and the unit transportation cost increases (each ton of solid is equivalent to 2-3 tons of liquid).

Solid polyaluminum chloride is the liquid polyaluminum chloride after drying form, has the advantage of convenient transportation, does not need tank trucks, the disadvantage is that it also needs to be diluted when used, increase the work intensity.


It is mainly used for purifying drinking water and special water quality treatment of water supply, such as removing iron, removing fluorine, removing cadmium, removing radioactive pollution, removing floating oil and so on. It is also used for industrial wastewater treatment, such as printing and dyeing wastewater. In addition, it is also used in precision casting, medicine, paper rubber, leather, petroleum, chemical industry, dyes. Polyaluminum chloride is used as a water treatment agent in surface treatment. The main raw material of anti-sweat cosmetics.

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Post time: Aug-11-2023