handbook of water and wastewater treatment plant in india
The cationic copolymers usually have no more than 5% of cationic groups due to FDA limits for paper products that may contact food. The anionic copolymers also can be prepared by an alternative route, partial hydrolysis of the amide groups after synthesis of the polyacrylamide homopolymer. Retention aids are commonly produced and delivered to
Our Polyacrylamide has passed ISO9001: 2008 Quality System Certification. Polyacrylamide is, simply called PAM, a water- soluble high flocculant polymer and widely used in petroleum, paper-making, metallurgical, textile and environment protection fields. There are three categories of Anionic, Cationic and Non-ionic type.
