Cationic polyacrylamide (PAM) is a polymer with a large amount of positive charges. Due to the strong adsorption of positively charged groups on its molecular chain with negatively charged particles and colloids, it achieves flocculation and sedimentation effects. Cationic polyacrylamide is mainly used as a flocculant, precipitant, and sludge dewatering agent in water treatment, which can effectively remove harmful substances such as suspended solids, heavy metal ions, and organic matter in water, and improve water quality.

Application of cationic polyacrylamide in water treatment field

sewage disposal

Wastewater treatment is one of the main applications in the field of water treatment, and cationic polyacrylamide plays an important role in wastewater treatment. In sewage treatment, adding an appropriate amount of cationic polyacrylamide can accelerate the sedimentation rate of suspended particles and improve the effluent quality. In addition, cationic polyacrylamide can also be used in combination with other water treatment agents to improve the efficiency and quality of wastewater treatment.

Purification of tap water

Tap water is an indispensable necessity in people's daily lives, and the quality of tap water directly affects people's health and quality of life. In the process of purifying tap water, adding a certain amount of cationic polyacrylamide can effectively remove harmful substances such as suspended solids, sediment, and microorganisms in the water, improving the cleanliness and taste of tap water.

Domestic sewage treatment

The pollutants contained in domestic wastewater are mainly pathogenic microorganisms and organic compounds (such as cellulose, acetaldehyde, oil, fats, etc.). Due to the high positive charge density in the cationic PAM molecular chain, the dosage is small and pollution-free.

Cationic PAM has good sludge dewatering performance. This is because the positive charge carried by cationic PAM neutralizes the negative charge on the surface of the sludge. As a result, the repulsion between sludge particles generated by electrostatic forces decreases. The compressibility has been improved. Conversely, it can improve settlement capacity.

Industrial wastewater treatment

Industrial wastewater treatment is another important application in the field of water treatment. In some industrial production processes, a large amount of wastewater is generated, which contains a large amount of harmful substances, such as heavy metal ions, organic matter, etc., and poses great harm to the environment and human health. By using cationic polyacrylamide for treatment, harmful substances in wastewater can be effectively removed, achieving wastewater reuse and standard discharge.

The application prospects of cationic polyacrylamide

Cationic polyacrylamide has broad application prospects in the field of water treatment. With the increasing scarcity of water resources and the increasing demand for environmental protection, water treatment technology will be widely applied and developed. Cationic polyacrylamide, as one of the important materials in the field of water treatment, will also receive further development in its research and application.