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Polyaluminium Chloride (PAC)

A powerful coagulant for water treatment, reducing turbidity, sludge, and impurities across industries efficiently.

Polyaluminium Chloride (PAC)

Polyaluminium Chloride (PAC) is a highly efficient coagulant widely used in water treatment, wastewater management, and various industrial processes. It is produced by reacting aluminium hydroxide with hydrochloric acid, resulting in a polymerized solution with high cationic charge density. This unique structure makes PAC more effective than conventional coagulants like alum and ferric salts.
Key Properties
  • Appearance: Light yellow to dark yellow liquid or powder form
  • pH Range: Effective within a wide pH range (4.0–9.0)
  • Solubility: Completely soluble in water
  • Stability: Stable for long-term storage under recommended conditions
  • Coagulation Ability: Rapid hydrolysis leads to stronger and faster floc formation
Advantages of PAC
  • Works effectively at lower dosages compared to alum and ferric salts
  • Produces less sludge, reducing disposal costs
  • Wide pH operating range
  • Fast reaction time with strong floc formation
  • Lower residual aluminum in treated water
Grades Available
  • PAC 10%, 14%, 18%, 30% (liquid and powder forms)
  • Customized grades for specific applications
Images
PAC Liquid
PAC Powder
PAC 28 30

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    Common Questions

    Most Popular Questions.

    Polyaluminium Chloride (PAC) is an advanced coagulant used in water and wastewater treatment for removing suspended particles, turbidity, and organic matter.

    PAC is used in drinking water treatment, municipal wastewater, industrial effluents (textile, paper, chemical, food), swimming pools, and oilfield water treatment.

    PAC works at lower dosages, produces less sludge, has a wider pH range, and offers faster and stronger coagulation.

    Common grades include 10%, 14%, 18%, and 30%, available in both liquid and powder form depending on application needs.

    Yes, when used within recommended guidelines, PAC is safe, ISO and REACH certified, and widely approved for potable water treatment.