When using anionic polyacrylamide, different molecular weight PAM can be selected according to different needs.
2023-05-24 14:07:32
When using anionic polyacrylamide, different molecular weight PAM can be selected according to different needs.
Polyacrylamide anionic polyacrylamide is used in wastewater treatment in many industries. In this article, we will introduce the application of anionic polyacrylamide. When using anionic polyacrylamide, it can be used according to different applications and users. It is required to use PAM with different molecular weights.
1) For industrial wastewater treatment, especially for suspended particles, coarser, high concentration, positive charge of particles, pH of water is neutral alkaline wastewater such as steel plant wastewater, electroplating plant wastewater, metallurgical wastewater, coal washing Wastewater treatment such as wastewater is very effective. 2) Drinking water treatment. The water in many waterworks in China comes from rivers with low mud content and high mineral content. It is relatively turbid. Although it has been treated by sedimentation, it still does not meet the requirements. It needs to be added with flocculant to make the water quality clear. Many water plants use inorganic flocculation. Agent, but the dosage is large, which causes the sludge volume to increase. The anionic polyacrylamide is used as a flocculant. The dosage is one-half of the inorganic flocculation, but the effect is several times to several tens of inorganic flocculant. Times, especially the polyacrylamide produced by our company, the residual monomer has reached the food grade (less than 0.05%), close to the foreign advanced level, non-toxic, more suitable for treating drinking water, river water and anions which are seriously polluted by organic matter. Polyacrylamide works better together. 3) Used as a recovery of lost starch and distiller's grains in starch plants and alcohol plants. Nowadays, the starch discharged from many starch factories is high in starch. After discharge, it affects the environment, wastes resources, adds PAM, precipitates starch, and the precipitate is filtered by a filter press to become a cake. The large amount of distiller's grains in the alcohol factory is Using this process, one of the largest alcohol plants in Asia in Heilongjiang is polyacrylamide as a flocculant, which recycles the distiller's grains and has achieved great economic benefits. 4) Used as water blocking agent for oil field profile control and water shutoff, and oil recovery agent for tertiary oil recovery. 5) Used as a papermaking auxiliaries, PAM is widely used in papermaking, and can be used as a long-fiber paper dispersing agent, a wet-drying enhancer, a retention aid, a filter aid and a flocculant for papermaking wastewater.
The above is a partial description of polyacrylamide in the Jiajinkou Zhengda Water Supply Material Factory in Gongyi City.
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