Like all coagulants PAC functions by extracting and afterwards clumping together dissolved, colloidal and suspended issue. The resulting floc is then trapped over the filter. You will find now a variety of various grades of PAC with aluminium concentrations between 9.5% and eighteen%. The concentration of aluminium is not the https://www.tjcyindustrialchem.com/news/what-is-poly-aluminium-chloride.html