Poly Aluminium Chloride is special basic salt of Aluminuim Chloride designed to give much stronger coagulating and flocculating power than ordinary Aluminum salt like Aluminium Sulphate and Iron salt Ferric Chloride.
Poly Aluminium Chloride is flocculent and consist of various molecular weight cationic polymers. They are used to increase efficiency of setting, clarification, filtration and centrifugation operation.
Advantage of Poly Aluminium Chloride with respect to Alum are as under.
- Economically cheaper substitute
- Coagulate very efficiently in high turbidity as well as low turbidity
- Equally effective is cold water
- Effective in wide range of raw water pH
- Low residual Aluminium in treated water
- Rapid and bigger floc formation resulting in rapid settling which in turn inhance capacity of water treatment plant
- Less pH reduction of treated water eliminate use of alkalie requirement
