Reaction principle of nonionic polyacrylamide in water treatment

What is the principle of flocculation of nonionic polyacrylamide in water treatment, and what are the advantages of anionic polyacrylamide? Reaction principle of non-ionic polyacrylamide in water treatment Source: Zhengzhou Tianhe Water Purification Time: 2014-03-24 Clicks: 3


Reaction principle of nonionic polyacrylamide in water treatment

I. Overview of nonionic polyacrylamide products

Nonionic polyacrylamides are water soluble high molecular polymers or polyelectrolytes. Because of its molecular chain containing a certain number of polar groups, it can agglomerate particles to form large flocs by adsorbing suspended solid particles in water, bridging the particles or neutralizing the particles by charge. Therefore, it can accelerate the sedimentation of particles in the suspension, and has a very obvious effect of accelerating the clarification of the solution and promoting filtration. It is mainly used for flocculation and sedimentation of various industrial wastewaters and precipitation clarification treatment. Such as paper and pulp wastewater wastewater treatment, wastewater treatment in mineral processing and metal smelting processes, wastewater treatment in steel plants and stone processing plants.

Second, the principle of non-ionic polyacrylamide in water treatment

The pendant group on the non-ionic polyacrylamide molecular chain is an active amide group, which can undergo a variety of chemical reactions to obtain a variety of derivatives, but due to the proximity of gene effects, the reaction often does not fully proceed.

Since nonionic polyacrylamide (NPAM) is a high molecular polymer or a polyelectrolyte, its molecular chain contains a certain amount of polar genes that can adsorb solid particles suspended in water, causing bridging between particles to form large flocs. It accelerates the sedimentation of particles in the suspension, which has a very obvious effect of accelerating the clarification of the solution and promoting filtration.

Nonionic polyacrylamides are water-soluble high molecular polymers. According to the molecular chain containing a certain number of polar groups, by adsorbing suspended solid particles in water, the particles are bridged or neutralized by charges to cause the particles to aggregate to form large flocs. Therefore, it can accelerate the sedimentation of particles in the suspension, and has a very obvious effect of accelerating the clarification of the solution and promoting filtration. It is mainly used for flocculation and sedimentation of various industrial wastewaters and precipitation clarification treatment. Such as paper and pulp wastewater treatment, wastewater treatment in mineral processing and metal smelting processes, wastewater treatment in steel plants and stone processing plants.

Third, the advantages of non-ionic polyacrylamide

The advantages of nonionic polyacrylamide are mainly used as flocculants. Because the molecular chain contains a certain amount of polar genes, it can adsorb solid particles suspended in water, and bridge the particles to form large flocs. Non-ionic polyacrylamide can accelerate the sedimentation of particles in the suspension, and has obvious effects of accelerating the clarification of the solution and promoting filtration. It is widely used in the treatment of chemical industrial wastewater, waste liquid, and municipal sewage treatment. Especially when the sewage is acidic, it is most suitable to use this product. It can be used together with inorganic flocculant such as poly-iron or poly-aluminum.

Zhengzhou Tianhe Water Purification Material Factory is a professional manufacturer of polyacrylamide (cationic polyacrylamide, anionic polyacrylamide, nonionic polyacrylamide, zwitterionic polyacrylamide). If you need help, please call, call, fax, QQ. , E-mail: [email protected]. We aim to provide you with better products and the most economical and reasonable solutions. Our technical experts are always ready to provide you with technical assistance and sincerely hope to establish long-term cooperation relationship with you!

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