Like all coagulants PAC works by extracting after which clumping jointly dissolved, colloidal and suspended matter. The resulting floc is then trapped about the filter. You will find now a number of various grades of PAC with aluminium concentrations amongst 9.five% and 18%. The concentration of aluminium isn't the only https://www.tjcyindustrialchem.com/news/what-is-poly-aluminium-chloride.html