邯鄲諸城市污水處理用陰離子聚丙烯酰胺

Polyacrylamide introduction
Polyacrylamide is a water-soluble polymer, the appearance is white or yellowish powder, easy to absorb water, long-term thermal decomposition, decomposition temperature at 200 DEG, 210 DEG C under anaerobic conditions, carbonized black powder. Insoluble in most organic solvents, has good flocculation, can reduce the friction resistance between liquids, ion characteristics can be divided into non-ionic, anionic, cationic and amphoteric four types.
Classification and use of polyacrylamide
Nonionic polyacrylamide
Nonionic polyacrylamide is a linear polymer with high molecular weight and low ionic content. It has the functions of flocculation, dispersion, thickening, bonding, film forming, gel and stabilizing colloid. Used for industrial wastewater treatment, steel mill wastewater treatment, metallurgical wastewater treatment, coal washing wastewater treatment. Used for oil production, drilling and mud treatment in the oil industry. Used in textile sizing. Used in the paper industry, food industry, tea packaging paper processing.
Anionic polyacrylamide
Anionic polyacrylamide water solubility is good, can dissolve in any proportion in water, and insoluble in organic solvents, in alkaline medium, high polymer and electrolyte characteristics. Insoluble colloid in salt electrolyte sensitive and high valence metal ion cross linking. For industrial waste water treatment, drinking water treatment, can be used as feed, river mud sedimentation, incense making industry.
Cationic polyacrylamide
Cationic polyacrylamide can be dissolved in water at any proportion and insoluble in organic solvents. It is characteristic of high polymer electrolyte. For the treatment of wastewater containing anion and rich organic compounds. Used for dyeing, papermaking, food, construction, metallurgy, oil field, aquatic processing and fermentation industries with higher levels of organic colloidal waste water treatment. For municipal wastewater, municipal sludge, paper sludge and other industrial sludge dewatering treatment.
Amphoteric polyacrylamide
Amphoteric polyacrylamide is a copolymer of ethylene amide and vinyl cation monomer and acrylamide monomer. It is a kind of amphoteric ion irregular polymer with both charge and positive charge. For the treatment of sludge, sewage, wastewater treatment, for the river as the water tap water, used in papermaking as strengthening agent or other additives for oil additives such as swelling agent, thickening agent for acidizing anti clay, used for textile sizing agent.


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