Like all coagulants PAC is effective by extracting and then clumping with each other dissolved, colloidal and suspended make a difference. The resulting floc is then trapped to the filter. ACH is effective in eradicating suspended particles, natural matter, and colloidal substances from h2o. It kinds smaller flocs and presents https://www.tjcyindustrialchem.com/news/what-is-poly-aluminium-chloride.html