... products can be widely used in waste water, sludge dewatering, and can also be used to build Retention ... :1. As flocculant, it can be used for the treatment of domestic sewage and organic waste ... 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 ...