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1. Wastewater treatment
Flocculation and precipitation: Polyacrylamide has a high molecular chain structure, which can form larger flocs of suspended particles in sewage through adsorption and bridging, accelerate the precipitation of particles, and thus achieve solid-liquid separation to purify sewage. It is widely used in the treatment of urban sewage and industrial wastewater, and can effectively remove suspended matter, organic matter, bacteria and other pollutants in water, and reduce the turbidity and chemical oxygen demand (COD) of sewage.

2. Sludge dehydration: It can quickly separate the water in the sludge, reduce the water content of the sludge, and facilitate the subsequent sludge disposal and transportation. For example, in the process of industrial sludge treatment such as paper mills, printing and dyeing plants, and sludge dehydration in urban sewage treatment plants, polyacrylamide can improve the sludge dehydration efficiency and reduce the sludge volume.

3. Papermaking industry
Retention and filtration aids: Adding it to papermaking pulp can make fine fibers, fillers, etc. adhere better to paper fibers, improve the strength and uniformity of the paper, and at the same time accelerate the filtration speed of the pulp and improve production efficiency.
Improve paper performance: It can enhance the physical properties of paper such as tensile strength and tear strength, improve paper quality, and meet the requirements of different application scenarios for paper.

4. Oil extraction
PAM Improve recovery rate: In tertiary oil recovery, injecting polyacrylamide solution into the oil layer can increase the viscosity of the injected water, improve the oil-water mobility ratio, make the water advance evenly in the oil layer, expand the swept volume, and thus improve the recovery rate of crude oil.
Drilling fluid additives: As drilling fluid additives, they can adjust the rheology of drilling fluid, prevent well wall collapse, and improve drilling efficiency and safety.

5. Mineral processing industry: used in the process of ore flotation to separate mineral particles from gangue particles and improve the concentrate grade and recovery rate.
Textile printing and dyeing industry: As a sizing agent, finishing agent, etc., it can improve the strength and wear resistance of fabrics, and improve the feel and gloss of fabrics.

6. Agricultural field: It can be used to improve soil, increase soil water retention and air permeability, and promote crop growth. It can also be used as a seed coating agent to increase seed germination rate and seedling survival rate.