Poly aluminium chloride (PAC), PAC, polyaluminum
7. The increase in chloride in the treated water is much lower than the sulphate increase from alum, resulting in lower overall increases in the TDS of the treated water. PAC=PACl. Note: a) .the cost of Poly Aluminium Chloride is twice/thrice of Alum ( roughly the cost of PAC-0.4 Kg) Polyaluminiumchloride vs. alum in treatment of drinking …
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