olyacrylamide as a Baiye auxiliary, its functions and uses are roughly as follows:
1. Water treatment coagulant
Anionic or cationic polyacrylamide (CPAM APAM) is usually used as a water purification coagulant, which can accelerate flocculation and precipitate quickly, and achieve the effect of sewage purification and impurity removal.
2. Sludge dewatering agent
Cationic polyacrylamide can be used as a sludge dewatering agent. Its main function is to remove the moisture in the sludge and reduce the moisture content of the sludge. sludge.
3. Agricultural soil loosening agent, moisturizing agent. Irrigation can prevent soil compaction, improve soil, and prevent soil erosion.
4. Adhesive
Because the solution of polyacrylamide has a certain viscosity, it can be used as an adhesive in some industries.
5. Absorbent materials in baby diapers, etc.
Use features:
1. Flocculation: PAM can make suspended substances neutralize by electricity, bridge adsorption, and flocculate.
2. Adhesion: It can play an adhesive role through mechanical, physical and chemical effects.
3. Resistance reduction: PAM can effectively reduce the frictional resistance of the fluid. Adding a small amount of PAM to the water can reduce the resistance by 50-80%.
4. Thickening: PAM has thickening effect under neutral and acid conditions. When the pH value is above 10, PAM is easy to hydrolyze. Thickening will be more pronounced in a semi-reticular structure.
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