anion polyacrylamide Our anion polyacrylamide, according to different uses and requests of customers, adopts two kinds of manufacturing technology: hydrolysis after homopolymerization and copolymerization. It has a high purity and a fast dissolving speed.It is mainly used to Industry sewage treatment, especially the sewage with high density, big suspending granules, PH≤7, for example, the sewage ...