Polyacrylamide (PAM)

Models

● Cationic polyacrylamide: Ionicity includes 10%, 20%, 30%, 40%, 50%, 60%, 70%.

● Anionic polyacrylamide: Molecular weights are 4 million, 6 million, 8 million, 12 million, 16 million, 20 million.

● Non-ionic polyacrylamide: Molecular weights include 6 million, 8 million, 10 million, 12 million.

Features

● Flocculation: It can flocculate suspended substances through electric neutralization and bridging adsorption.

● Adhesion: It can play an adhesive role through mechanical, physical, and chemical effects.

● Drag reduction: It can effectively reduce the frictional resistance of fluids. Adding a small amount of PAM to water can reduce drag by 50%-80%.

● Thickening: It has a thickening effect under neutral and acidic conditions. When the pH value is above 10, PAM is prone to hydrolysis and forms a semi-reticular structure, making the thickening effect more obvious.

Application Fields

● Water treatment: In sewage treatment, it is used for sludge dewatering and sewage flocculation precipitation, which can improve sludge dewatering efficiency and clarify water; in drinking water treatment, it can remove suspended solids, colloids, and other impurities in water to improve water quality.

● Paper industry: Used as a paper strengthener, it can improve the strength and tear resistance of paper; it is also used in papermaking wastewater treatment to reduce suspended solids and chemical oxygen demand in water.

● Oil exploitation: As an oil displacement agent, it can improve oil recovery; it is also used in drilling mud treatment to stabilize the wellbore, prevent well collapse, and improve drilling efficiency.

● Other fields: In mining, it is used for ore flotation and tailings wastewater treatment; in the textile and printing and dyeing industries, it is used for fabric sizing and wastewater treatment, etc.