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Chemate - Model PAM -Polyacrylamide
Polyacrylamide PAM, with the chemical formula of (C3H5NO)n and the CAS NO. of 9003-05-8, is a linear polymer. Polyacrylamide polymer has good thermal stability, can be dissolved in water in any proportion, and the aqueous solution is a uniform and transparent liquid. PAM is one of the most widely used water-soluble polymers. Because the polyacrylamide structural unit contains amide groups, which is easy to form hydrogen bonds, so that it has good water solubility and high chemical activity. Polyacrylamide PAM has a wide range of applications in petroleum exploration, water treatment, textiles, papermaking, mineral processing, medicine, agriculture and other industrial fields. Inquiry us to get the price of polyacrylamide for sale in our company now.
According to ionic characteristics, it can be divided into four types, non-ionic polyacrylamide, anionic polyacrylamide, cationic polyacrylamide and amphoteric polyacrylamide. At present, the PAM water treatment is generally anionic type, that is, adding an appropriate amount of sodium hydroxide to hydrolyze, so that part of the amide group becomes carboxyl, and the degree of hydrolysis is proportional to the amount of sodium hydroxide added.
Anionic Polyacrylamide APAM
The appearance of APAM is white powder with a molecular weight ranging from 6 million to 25 million. It has good water solubility and can be dissolved in water in any proportion, but is insoluble in organic solvents. The effective PH value ranges from 4 to 14. It exhibits the characteristics of a high polymer electrolyte in a neutral alkaline medium, is sensitive to salt electrolytes, and can be cross-linked with high-valent metal ions to form an insoluble gel.
In terms of industrial wastewater treatment, anionic PAM has the best effect in the treatment of sewage with high concentration suspended particles and positively charged particles, sewage with neutral or alkaline PH of water, wastewater from iron and steel plants, wastewater from electroplating plants, metallurgical wastewater, coal washing wastewater, etc.
Adding APAM can flocculate and precipitate the starch particles, and then the precipitate is filtered by a filter press into cake, which can be used as feed.
The alcohol in the alcohol plant can also be dehydrated by anionic PAM.
It can also be used for river cement slurry settlement, dry strength agent for papermaking.
Cationic Polyacrylamide CPAM
CPAM is white powder in appearance with an ionic degree ranging from 20% to 55%. It has the characteristics of high polymer electrolyte and is suitable for the treatment of wastewater with negative charge and rich in organic matter. Cationic PAM is suitable for the treatment of wastewater with high organic colloid content in industries, such as dyeing, papermaking, food, construction, metallurgy, beneficiation, coal powder, oil field, aquatic product processing and fermentation industrial fields. It is especially suitable for the dewatering treatment of municipal sewage, municipal sludge, papermaking sludge and other industrial sludge.
Non-ionic Polyacrylamide NPAM
Non-ionic PAM is a linear polymer with high molecular weight and low ionicity. Because of its special group, it has the functions of flocculation, dispersion, thickening, bonding, film formation, gelation, and colloid stabilization. Used in sewage treatment, especially when the suspended sewage is acidic, it is more suitable to use NPAM as the flocculant. At this time, PAM plays a role of adsorption and bridging, flocculation and sedimentation of suspended particles, to achieve the purpose of purifying sewage. Non-ionic polyacrylamide can also be used for the purification of tap water, especially when used in conjunction with inorganic flocculants, which has the best effect in water treatment.
Amphoteric Polyacrylamide AmPAM
Amphoteric PAM is formed by hydrolysis and copolymerization of vinyl amide and vinyl cationic monomer acrylamide monomer. It is an irregular zwitterionic polymer with both positive and negative charges on the molecular chain.
- In Water Treatment
- In Oil Exploitation
- In Papermaking
- In Other Industrial Fields
- Properties of PAM Chemical
- How to Use Polyacrylamide PAM Powder Correctly
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