... and can also be used to build Retention of paper, filter aid. ModelAppearanceDegree ofionization(%)Molecularweight(million)Insolublematter(%)Solid content ... sewage and organic waste water, such as ethyl alcohol, paper making, aginomoto factory, sugaring, and forage, printing ... used as drying and strengthening agent, retention agent, filter agent inpaper making industry, for white wastewater treatment, ...