... 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 collector ... 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