The anionic polyacrylamide (APAM) is white powder with a molecular weight ranging from 6 million to 25 million. It has good water solubility, can be dissolved in water in any proportion and is insoluble in organic solvents. The effective pH range is 7 to 14. It exhibits the characteristics of a high polymer electrolyte in a neutral alkaline medium, and can be cross-linked with high-valent metal ions to form an insoluble gel. This product is a water-soluble high molecular polymer. Because its molecular chain contains a certain number of polar groups, it can absorb solid particles suspended in water to bridge between particles or make particles agglomerate to form large particles through charge neutralization. Of flocs. Therefore, it can accelerate the sedimentation of particles in the suspension, has a very obvious effect of accelerating the clarification of the solution and promoting filtration. Anionic polyacrylamide (APAM) is widely used in the treatment of chemical industrial wastewater and liquid waste, and municipal sewage treatment. Water treatment in tap water industry, high turbidity water purification, Shen Qing, coal washing, ore dressing, metallurgy, steel industry, zinc, aluminum processing industry, electronics industry, etc.

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