Like all coagulants PAC works by extracting then clumping with each other dissolved, colloidal and suspended issue. The ensuing floc is then trapped about the filter. You'll find now a selection of different grades of PAC with aluminium concentrations concerning 9.five% and 18%. The focus of aluminium isn't the only https://www.tjcyindustrialchem.com/news/what-is-poly-aluminium-chloride.html