Like all coagulants PAC will work by extracting then clumping together dissolved, colloidal and suspended issue. The ensuing floc is then trapped around the filter. ACH is efficient in getting rid of suspended particles, natural issue, and colloidal substances from drinking water. It kinds scaled-down flocs and delivers fantastic coagulation https://www.tjcyindustrialchem.com/news/what-is-poly-aluminium-chloride.html