Like all coagulants PAC will work by extracting and after that clumping with each other dissolved, colloidal and suspended matter. The resulting floc is then trapped around the filter. ACH is productive in getting rid of suspended particles, organic and natural make a difference, and colloidal substances from water. It https://www.tjcyindustrialchem.com/news/what-is-poly-aluminium-chloride.html