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Poly aluminium chloride drinking grade is a new type of inorganic polymer water purifier with white or light yellow appearance. It is widely used in various water treatment plants and circulating treatment of domestic drinking water. PAC for
the treated water. The occurrence of aluminium in treated water has been considered for many years to be an undesirable aspect of treatment practice (Driscoll and Letterman, 1988; Van Benschoten and Edzwald, 1990). There is considerable concern
