Poly Aluminium Chloride is a highly efficient water treatment chemical where it works as a coagulant to extract and clump together contaminants, colloidal and suspended matter. This results in the formation of floc (flocculation) for removal via filters. PAC showing coagulation in action illustrates this process.

Coagulation in action

Poly Aluminium Chloride  products for use in water treatment are typically characterised by their level of basification (%). Basification is the concentration of hydroxyl groups relative to aluminium ions. The higher the basicity, the lower the aluminium content and therefore the higher performance regarding contaminant removal. This lower rate of aluminium also benefits the process where aluminium residuals are greatly reduced.

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