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Help CenterHigh Basicity Poly Aluminum Chloride (PAC) - Efficient Coagulant for Drinking & Wastewater Treatment
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Poly Aluminium Chloride
Product name: Poly Aluminium Chloride
CAS Number: 1327-41-9
EINECS NO.: 215-477-2
HS.Code: 3824999999
Molecular Formula: AlnCl(3n-m)(OH)m
Purity (%): 28% - 31%
Appearance: yellow, light yelow or white powder
Packing: Bags, drums, or bulk containers
Other Name: PAC, Aluminium chlorohydrate, Aluminium oxychloride, Aluminiumhydroxychlorid
Poly Aluminium Chloride Specification
Yellow Polyaluminium Chloride Powder(PAC) 29%
| ITEMS | SPECIFICATIONS |
| Al2O3,% min | 29 |
| Basicity,% | 40-85 |
| Water Insoluble Substance ,%max | 0.3 |
| PH of 5% SOLUTION | 3.5-5.0 |
| Sulfate content ( SO42),% max | 0.015 |
| Fe,% max | 0.01 |
White Polyaluminium Chloride Powder(PAC) 29%
| ITEMS | SPECIFICATIONS |
| Al2O3,% min | 29 |
| Basicity,% | 40-90 |
| Water Insoluble Substance ,%max | 0.1 |
| PH of 5% SOLUTION | 3.5-5.0 |
| As,% | 0.0001% max |
| Fe,% max | 0.2 |
Yellow Polyaluminium Chloride Powder(PAC) 30%
| ITEMS | SPECIFICATIONS |
| Al2O3,% min | ≥30% |
| Basicity,% | 40-90 |
| Water Insoluble Substance ,%max | ≤0.1% |
| PH of 5% SOLUTION | 3.0-5.0 |
| BULK DENSITY | ≥0.65 |
| As % | ≤0.0001% |
| Pb % | ≤0.0005% |
| Cd % | ≤0.0001% |
| Fe % | ≤0.2% |
Types of Poly Aluminum Chloride
| Feature | White PAC | Yellow PAC |
| Production | Spray drying from high-purity materials. | Mainly spray drying. |
| Key Characteristic | Leaves almost no residue. Prevents secondary pollution to water. | Best balance of performance and cost. Fast dissolution, efficient. |
| Best For | High-standard water: • Drinking water purification • Electronics industry wastewater • Food processing wastewater | General wastewater treatment: • Municipal sewage • Textile dyeing wastewater • Papermaking wastewater |
| Pros & Cons | Pros: Maximum purity, no impurity risk. Cons: Highest cost. | Pros: Good cost-performance, wide applicability. Cons: Not for high-purity standards |
Summary: Choose White PAC for purity-critical uses (e.g., drinking water). Choose Yellow PAC for cost-effective general wastewater treatment.
What is Poly Aluminum Chloride Used for?
Drinking Water Purification: PAC is widely used as a coagulant in the purification of drinking water to remove impurities and clarify water, making it safe for consumption.
Industrial Wastewater Treatment: It is effective for treating industrial wastewater from sectors like dyeing, papermaking, and tanning, helping to reduce pollutants and organic matter.
Removal of Specific Contaminants: PAC is employed to remove specific harmful substances from water, including heavy metals, fluorides, and radioactive pollutants.
Use in Industrial Processes: Beyond water treatment, PAC serves as a coagulant in the papermaking industry and is used in other applications like cement setting and casting processes.
Municipal Sewage and Sludge Treatment: It is applied in the treatment of municipal sewage and sludge, aiding in the settlement of solids and improving overall water quality.
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