Poly Aluminium Chloride (PAC)
Gem Chemicals
Poly Aluminium Chloride (PAC)

Poly Aluminium Chloride (PAC)
Poly Aluminium Chloride (PAC) is a chemical compound used primarily as a coagulant and flocculant in water treatment applications. It is available in both liquid and powder forms, each offering specific advantages depending on the application.
Applications
Water Treatment:
- Coagulation: Used to coagulate and clarify water by destabilizing suspended particles, colloids, and organic matter, facilitating their removal during filtration.
- Flocculation: Promotes the formation of larger flocs that settle or can be easily filtered out, improving water clarity and quality.
Wastewater Treatment:
- Industrial Effluents: Applied in the treatment of industrial wastewater to remove pollutants, heavy metals, and organic contaminants before discharge or reuse.
- Municipal Sewage: Used in sewage treatment plants to enhance the efficiency of sedimentation and sludge dewatering processes.
Paper Industry:
- Papermaking: Added to paper pulp as a retention and drainage aid to improve pulp retention, enhance paper formation, and increase paper strength.
- Effluent Treatment: Helps in the treatment of paper mill effluents to reduce organic load and pollutants before discharge.
Textile Industry:
- Dyeing and Printing: Assists in the removal of colorants, dyes, and impurities from textile wastewater, ensuring compliance with environmental regulations.
- Process Water: Used for process water treatment to maintain quality and prevent contamination during textile manufacturing.
Mining and Mineral Processing:
- Ore Beneficiation: Used as a flocculant in mineral processing operations to aid in the separation and recovery of valuable minerals from ores.
- Tailings Management: Facilitates the settling and dewatering of tailings, reducing environmental impact and water consumption.
Oil and Gas Industry:
- Drilling Operations: Used as a viscosifier and fluid loss control agent in drilling muds to improve drilling efficiency and wellbore stability.
- Fracturing Fluids: Added to fracturing fluids to enhance fluid rheology and minimize fluid loss during hydraulic fracturing operations.
Handling and Safety
- Dosage and Dilution: Follow manufacturer recommendations for proper PAC dosage and dilution to achieve effective treatment without overuse or under-dosing.
- Compatibility: Ensure compatibility with other chemicals and materials used in the treatment process to avoid adverse reactions or performance issues.
- Storage Conditions: Store PAC in a cool, dry place away from direct sunlight and moisture to maintain its stability and effectiveness.
- Handling Precautions: Use appropriate personal protective equipment (PPE) such as gloves, goggles, and protective clothing when handling PAC solutions or powder to prevent skin contact and inhalation.
By utilizing poly aluminium chloride in its liquid or powder form, industries can effectively treat water and wastewater, improve process efficiency, and meet regulatory requirements for environmental protection. PAC plays a crucial role in various industrial sectors by facilitating the removal of contaminants and enhancing overall water quality and treatment outcomes.