The raw materials used for potable water treatment and waterworks are different from industrial grade PCL. Aluminum hydroxide powder and calcium aluminate powder are used in both of them, which are produced through plate and frame filtration or spray drying. The indicators of potable water grade polyaluminum chloride produced by Wanlong Water Purification conform to the standard GB15892-2009. This product is widely used in drinking water treatment at home and abroad, water pl...