powder nonion polyacrylamide/nonion pam npam for coal at chile
In preferred processes of the invention polyacrylamide, preferably cationic or non-ionic polyacrylamide, is produced at an acidic pH (for instance pH 2 to 5, preferably pH 3 to 4.5) and is treated with an acrylamidase of the invention without
Non-ionic polyacrylamide, a type of high polymer with high molecular weight and low ion degree, has such functions as flocculation, dispersion, thickening, cementation, film formation, gel formation, and colloid stabilization. Its flocculation
