Like all coagulants PAC operates by extracting after which you can clumping with each other dissolved, colloidal and suspended subject. The resulting floc is then trapped about the filter. This Notice clarifies the applying and dosing prices for the different distinctive grades of polyaluminium chloride getting marketed in the UK. https://www.tjcyindustrialchem.com/news/what-is-poly-aluminium-chloride.html