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PolyAluminium Chloride (PAC)

CAS No.: 1327-41-9   

Molecular Formula:  [Al2(OH)nCl6-n]m ; m,n 1-5, m≦10

 

Property:

PAC (Polyaluminium Chloride) is high-effective inorganic polymer coagulant. It is widely applied in water purification, wastewater treatment, precision cast, paper production, pharmaceutical industry and daily chemicals. Its dosage lower than aluminum sulfate (based on Al2O3) and water treatment cost is lower than other inorganic flocculants. PAC can cause quick formation of flocculates, big flocculates formation and rapid precipitation. Its treatment capacity is 1.3-3.0 times of other inorganic flocculants. The PAC (Polyaluminium Chloride) enjoys wide-range adaptability for different-temperature source water and a good solubility. PAC is slightly corrosive and easy for operation, and it is suitable for automatic dosing. Furthermore, it will not block pipes over long-time usage.

Product Types:

PAC-W, Polyaluminium Chloride 30%min

Color: White or Milk White colour fine powder
Manufacturing technique: Spray dried process Application: Drinking water treatment and paper mills as retention agent, and cosmetic industry

a) Basicity: Lowest basicity, 30-40%
b) Water insoluble matter: Lowest at ≤0.1% > c) Iron content (Fe+) : None
d) Lowest heavy metal content: Health
e) Solution: Colorless liquid

PAC-S, Polyaluminium Chloride 30%min

Color: Light / Pale yellow color, fine powder
Manufacturing technique: Spray dried process
Application: Drinking water treatment, waste water treatment and paper mills as retention agent

a) Basicity: lowest basicity, 40-80 %
b) Water insoluble matter: Lowest at ≤0.1% > c) Iron content (Fe+) : Low iron content at ≤0.1%
d) Lowest heavy metal content: Health e) Solution: Light yellow liquid

PAC-R, Polyaluminium Chloride Purity 30%/28%
Color: Light yellow powder, granular
Manufacturing technique: Roller dried process
Application: Drinking / industrial waste water treatment
a) city: 80-90 %
b) Water insoluble matter: ≤1.0%
c) Iron content (Fe+) : ≤1.0%
d) Solution: Yellow liquid

Usage:

PAC is widely used in the following fields:

- Urban water purification: River water, reservoir water, groundwater.

- Industrial water purification.

- Urban sewage treatment.

- Industrial wastewater and waste material in the recovery, promote useful medium in the settlement of Pulverized coal waste in manufacturing, starch of starch recycling. Various industrial wastewater treatment: Printing and dyeing wastewater, leather wastewater, containing fluorine wastewater, heavy metal waste water, oily wastewater, papermaking wastewater, coal washing wastewater, mining wastewater, brewing wastewater, metallurgy wastewater, meat processing wastewater.

What Is PAC in Water Treatment

1. Flocculation

PAC is mainly used for urban water supply and drainage purification: river water, reservoir water and groundwater; Purification of industrial water supply, treatment of urban sewage, recovery of useful substances in industrial waste water and waste residue, promotion of coal powder sedimentation in coal washing waste water, and recovery of starch in starch manufacturing industry.

2. Phosphorus removal

PAC is added into the sewage to make the phosphate ions in the water generate insoluble salts, which are separated from the water after forming flocs, so as to remove the phosphorus contained in the water.

Package and Storage:

25kg P.P. woven bags with inner plastics bags.

The shelf life is two years. PAC should be stored in a dry and ventilative room, but the effect will not be affected even if it gets wet.

Key Words:

Polyaluminium Chloride, PAC

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