Like all coagulants PAC works by extracting and afterwards clumping together dissolved, colloidal and suspended make any difference. The resulting floc is then trapped to the filter. ACH is successful in eliminating suspended particles, natural and organic matter, and colloidal substances from water. It varieties lesser flocs and presents good https://www.tjcyindustrialchem.com/news/what-is-poly-aluminium-chloride.html