Overview
| Product Name | Polyaluminum Chloride (PAC) |
| Chemical Category | Inorganic Polymer Coagulant |
| Molecular Formula | [Al₂(OH)nCl₆₋n]·xH₂O (n = 1–5, varies with basicity) |
| Molecular Weight | Variable (depends on basicity and formulation) |
| CAS Number | 1327-41-9 |
| Appearance | Yellow or white powder / clear to pale yellow solution |
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Description
Polyaluminum Chloride (PAC) is a highly efficient inorganic polymer coagulant formed by the partial hydrolysis of aluminum chloride. Available in both powder and liquid forms, PAC is used extensively for water purification and wastewater treatment. It has strong adsorption and bridging capabilities, making it effective for removing suspended solids, turbidity, organic matter, and other contaminants. White PAC is typically of higher purity and used in sensitive applications like drinking water treatment.
Specifications
| Grade Type | Description | Typical Concentration (%) |
|---|---|---|
| Industrial Grade | For general wastewater treatment applications | 28%, 30% (solution); 26%-30% (powder) |
| Drinking Water Grade | High-purity grade meeting potable water standards | 30% (solution); 28%-30% (powder) |
| Low-Iron Grade | Low iron content, suitable for papermaking and textile industries | 28%-30% |
| White PAC | Food-grade, low heavy metal content, suitable for sensitive applications | 30% (powder/solution) |
| Customized Grade | Tailored basicity, color, or iron content based on customer requirements | As requested |
Applications
- Water Treatment: Effective coagulant for drinking water and wastewater treatment.
- Paper Industry: Used for sizing, retention, and pitch control.
- Textile Industry: Removes dye and improves water reuse in textile effluent.
- Oil & Mining: Aids in solid-liquid separation, tailing water clarification.
- Cosmetics & Food Industry: (White PAC) Used where high-purity coagulants are required.
Advantages
- Rapid coagulation and floc formation
- Lower sludge generation compared to traditional alum
- Effective over a wide pH range
- Strong decolorization and turbidity removal capability
- Reduces chemical consumption in multi-stage treatment systems
Storage
Store in a dry, well-ventilated warehouse away from moisture and direct sunlight. Keep tightly sealed to avoid contact with water or humidity. Avoid stacking with incompatible chemicals.
Packaging
- Powder: 25kg PE-lined woven bag
- Liquid: 1000L IBC tank or 200L plastic drum
- Custom packaging available upon request
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