Like all coagulants PAC will work by extracting and after that clumping jointly dissolved, colloidal and suspended matter. The ensuing floc is then trapped on the filter. Alum is successful in removing turbidity and suspended particles. It is commonly Utilized in wastewater therapy and it is cost-helpful for large-scale programs. https://www.tjcyindustrialchem.com/news/what-is-poly-aluminium-chloride.html