Like all coagulants PAC operates by extracting and afterwards clumping with each other dissolved, colloidal and suspended subject. The resulting floc is then trapped about the filter. This note clarifies the application and dosing charges for the different unique grades of polyaluminium chloride remaining bought in the UK. Down load https://www.tjcyindustrialchem.com/news/what-is-poly-aluminium-chloride.html