... :1. As flocculant, it can be used for the treatment of domestic sewage and organic waste water ... agent, retention agent, filter agent inpaper making industry, for white wastewater treatment, too.3. It can be ... coal washing industry.4. It can be used for the treatment of dyeing, leather and oily wastewater. ... clay swelling agent, acidicgelatinizer. etc. Polyacrylamide absorbent gel for industrial