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- Super absorbent polymer
The use of cationic, anionic and nonionic polyacrylamide
Polyacrylamide (PAM) is a linear water soluble polymer, is a water-soluble polymer compounds used in wide varieties of one, PAM and its derivatives can be used as efficient flocculant, thickening agent, paper strengthening agent and liquid drag reduction agent, which is widely used in water treatment, paper, petroleum, coal, mining, metallurgy, geology, textile, construction and other industrial sectors.
Non ionic polyacrylamide application:
Industrial sewage treatment agent: when suspensions sewage acid, using non ion polyacrylamide and flocculant is more appropriate. This is PAM adsorption bridging role of the suspended particle flocculation precipitation, to purify sewage. Can also be used for water purification, especially and inorganic flocculant used in the water treatment effect is the best. Textile auxiliaries: add some chemicals can be equipped with chemical data for textile sizing. Sand: nonionic polyacrylamide dissolved into 0.3% concentration of cross-linking agent, spraying in the desert, to prevent sand fixing effect. Soil moisture agent: used as a soil moisturizing agent and a variety of modified polyacrylamide based raw materials.
Cationic polyacrylamide application:
According to the corresponding grade of sewage sludge dewatering properties can choose this product, can be effective before the sludge into the filter press sludge dewatering. Gravity dehydration, floc, non stick cloth, less dosage not dispersed, filter press, high dewatering efficiency, the cake moisture content below 80%. The treatment of wastewater and organic wastewater: this product showed a cationic in acidic or alkaline medium, so the suspended particles with negative charge of the sewage in the sewage flocculation, clarification is very effective, such as alcohol wastewater, brewery wastewater, monosodium glutamate wastewater, sugar wastewater, meat dish wastewater and beverage wastewater. Textile printing and dyeing wastewater, with cationic polyacrylamide than with anionic polyacrylamide, nonionic polyacrylamide or inorganic salt effect to several times or dozens of times, because this kind of wastewater generally with the negative charge of water plant water treatment flocculant. : the product with less dosage, good effect, low cost characteristics farewell is better and inorganic flocculants. Oilfield chemicals, such as clay anti swelling agent, oil field acidification with thick of agent products such as. Papermaking additives: Cationic PAM paper enhancement agent is a kind of containing carbamoyl radicals of water soluble cationic polymer, with strength and retention, filter and other functions, can effectively improve the paper strength. At the same time, the product is a kind of high efficient dispersant.
Application of anionic polyacrylamide:
Industrial wastewater treatment: for suspended particles, less, high concentration, particle with positive charge, the pH of the water is neutral or alkaline water, iron and steel plant wastewater, electroplating wastewater, metallurgical wastewater, coal washing wastewater and sewage treatment, the effect was the best. Drinking water treatment: many Chinese waterworks water from rivers, sediment and mineral content is high, compared with turbidity, although after precipitation and filtration, still can not meet the requirements and need to adding flocculant, dosage is 1 / 50 of the inorganic flocculant, but the effect is several times the inorganic flocculant for the organic polluted river water, using inorganic flocculants and company of cationic polyacrylamide with better effect to use can be. Starch factory and alcohol plant loss of starch grains recovered: now a lot of a lot of starch factory wastewater containing starch, now cast and anionic polyacrylamide, so that starch particles flocculation, and then precipitate the filter press into a pancake, feed, alcohol plant alcohol can also adopt anionic polyacrylamide dehydration, filter for recovery.