... Cationic PAM and Nonionic PAM. Flocculant PAM for water treatment can be used as displacement agent for EOR ... (enhance Oil Recovery), flocculant for water treatment, dehydration agent for sewage sludge, new type ... PAM is an important fine chemicals, which can be widely used in petroleum, water treatment, paper making, mining, coal ... -30Cationic degree 20-4 Pam of Water Treatment Chemicals