... , and arsenic, mercury, widely used in drinking water, industrial water. Polyaluminium Chloride, called PAC, is a multi-hydroxy, polynuclear cationic complex body ... product. Distinctive feature of this product is the water effect is obvious, flocculation and sedimentation speed, Shen ... The product is widely used in drinking water, industrial water and wastewater treatment. Polyaluminium Chloride PAC