The three important indexes of polyacrylamide are molecular weight, hydrolysis degree, and solid content. There are three main indicators of cationic polyacrylamide: ionicity, solid content and molecular weight. The molecular weight of anion polyacrylamide is from 6 million to 22 million, and the cationic polyacrylamide ionicity is from 20 percent to 60 percent. Recently, a number of customers in different fields have reported that adding polyacrylamide is not very effective. Water purification materials for rivers suggest that corresponding anion or cationic products should be selected according to on-site sewage treatment process and equipment.
Then, why the effluent treatment of polyacrylamide PAM fails to achieve the effect mentioned by the manufacturer? The reasons are analyzed along with the source water purification material：
