Like all coagulants PAC is effective by extracting and after that clumping with each other dissolved, colloidal and suspended make a difference. The resulting floc is then trapped over the filter. ACH is powerful in getting rid of suspended particles, organic and natural matter, and colloidal substances from drinking water. https://poly-aluminium-chloride69371.buyoutblog.com/36728026/the-2-minute-rule-for-poly-aluminium-chloride