Cationic polyacrylamide is linear polymer compound, because it has a variety of active groups, and many substances affinity, adsorption hydrogen bond. Mainly flocculation negatively charged colloid, except the turbidity, decoloring, adsorption, adhesion, and other functions, suitable for dyeing, papermaking, food, building, metallurgy, mineral processing, coal, oil field, aquatic products processing and fermentation industries such as waste water treatment of organic colloi...