Beijing Gongyi Mingjian Technology Co., Ltd. is a polyacrylamide manufacturer, producing and selling polyacrylamide. Tel: 0 10-82849053.
Product description: Polyacrylamide (PAM for short) is divided into cationic, anionic, nonionic and zwitterionic types, with a molecular weight of 4-20 million. This product is white powder, easily soluble in water, and easily decomposed when the temperature exceeds 120℃.
Product performance: Polyacrylamide has a positively charged group (-CONH2) in its molecule, which can adsorb and bridge with suspended particles dispersed in the solution, and has a strong flocculation effect, so it is widely used in water treatment, metallurgy, paper making, petroleum, chemical industry, textile, mineral processing and other fields. PAM is used in sewage treatment, which has the advantages of high removal efficiency, low dosage, fast settling speed and low water production cost. It is an irreplaceable product of other flocculants.
Polyacrylamide can be divided into anionic, cationic, nonionic and zwitterionic types.
Anionic type is mainly used for domestic production water, industrial and urban sewage treatment. It is also suitable for flocculation and precipitation of red mud and mud-water separation in alumina production. Cationic type with large molecular weight is mainly used for flocculation and precipitation of water suspension and suspended matter. When acidic and weakly acidic solutions contain organic suspended substances, it is difficult to flocculate. In this case, cationic polyacrylamide can effectively flocculate and precipitate, showing its outstanding performance. 0. 1-0.2% aqueous solution must be prepared with water with Ph≤7, which is easy to hydrolyze after being prepared into dilute solution. It should be taken with you or used up on the same day, and should not be stored for a long time.
Usage: PAM can be used alone or in combination with PAC for water treatment, but the two must be stirred separately, and the amount and dosage of water added should be determined according to their respective conditions.
Product packaging and storage: this product is packaged in double-layer sealed packaging, the inner layer is non-toxic polyethylene plastic bag and the outer layer is plastic woven bag, each bag has a net weight of 25kg. Pay attention to moisture, avoid packaging damage, and store in a clean and dry environment.
Characteristics of anionic polyacrylamide (APAM): It is mainly used to treat neutral suspensions mainly containing inorganic solids.
Uses: anionic polyacrylamide is used to improve the removal effect of suspended solids, BOD and phosphate in urban and industrial wastewater treatment. When 0.25mg/L hydrolyzed polyacrylamide is added to the wastewater primary sedimentation tank, the removal rates of suspended solids and BOD can be increased to 66%-23% respectively. Adding 0.3mg/L anionic flocculant to the secondary treatment sedimentation tank can increase the removal rates of suspended solids and BOD to 87% and 965,438 0% respectively. The dephosphorization effect was increased from 35% to 965,438+0%. It is used for surface water clarification, washing wastewater clarification and filtrate adjustment in drinking water and domestic sewage treatment. In mining, it is used for coal washing water clarification and flotation tailings, clean coal filtration, tailings (slag) dehydration, flotation tailings clarification, concentrate concentration and filtration, hot solution of potash and flotation solution clarification, flotation tailings clarification of fluorite and barite, clarification of raw brine in salt processing, sludge dehydration and treatment of circulating water of phosphate rock. In casting and multi-industrial manufacturing, it is used to purify open-hearth gas washing water, clarify waste water from powder metallurgy plants and pickling plants, purify electrolyte and clarify electroplating waste liquid.
Overview of cationic polyacrylamide (CPAM) products: Cationic polyacrylamide is made of cationic monomers (DM, DMC, CPF, KMKAAC, DMAEMA, etc.). After granulation, drying and crushing, the appearance of the product is white fine particles or powder.
Main uses: Sludge dewatering: According to the properties of sludge, products with corresponding molecular weight can be selected, and sludge can be effectively dewatered by gravity before it enters the filter press. During dehydration, the floc is large, does not stick to the filter cloth, does not flow away during pressure filtration, uses less, has high dehydration efficiency, and the moisture content of the mud cake is below 80%. Treatment of sewage and organic wastewater: this product is positively charged in acidic and alkaline media, which makes the sewage with negative charge in suspended particles flocculate and precipitate, such as the wastewater from alcohol factory, brewery, monosodium glutamate factory, sugar factory, meat factory, beverage factory and textile printing and dyeing factory. The effect of using cationic polyacrylamide is several times or dozens of times higher than that of using anionic polyacrylamide, nonionic polyacrylamide or inorganic salt, because such water is generally negatively charged. Flocculant treatment in waterworks: this product has the characteristics of less dosage, good effect and low cost, especially when used in conjunction with inorganic flocculants. It will become an efficient flocculant for water treatment in Yangtze River and Yellow River basins. Papermaking additives: Cationic PAM paper enhancer is a water-soluble cationic polymer containing carbamoyl groups, which has the functions of strengthening, retention and filtration, and can effectively improve the strength of paper. At the same time, the product is also an efficient dispersant for oilfield chemicals: polyacrylamide also has certain chemical functions in oilfield drilling and exploitation, such as being used as clay anti-swelling agent and thickener for oilfield acidification. Overview of Nonionic Polyacrylamide (NPAM) products: Nonionic polyacrylamide is a homopolymer of acrylamide monomer, which is made by granulation, drying and crushing. The appearance of the product is white fine particles or powdery solids.
Main uses: basic raw materials of various modified polyacrylamide.
For example, anionic polyacrylamide can be hydrolyzed from different brands of nonionic polyacrylamide, and Mannich cationic polyacrylamide is one of the most important basic materials. Textile industry additive
Adding some other chemicals can be used to prepare chemical size for textile sizing, which can improve adhesion, permeability and desizing performance. Because textiles have antistatic properties, sizing spots, broken looms and falling objects can be reduced. Therefore, it has become an important chemical additive in textile industry. Can be used for sewage treatment.
When the sewage is acidic suspension, it is most suitable to use nonionic polyacrylamide as flocculant. At this time, PAM plays an adsorption role, which makes suspended particles flocculate and precipitate to achieve the purpose of purifying water. It can also be used for drinking water treatment. This product is non-toxic, especially when it is used with inorganic flocculant, it has the best water treatment effect. Chemical grouting agent
9.5 parts of nonionic polyacrylamide and 0.5 part of N, N- methylenebisacrylamide can be used as chemical grouting agents for water plugging in dams, graves and tunnels. Sand prevention and fixation
Making nonionic polyacrylamide into 0.3% solution, adding crosslinking agent and spraying it on the desert can play a role in preventing and fixing sand. Compromise method is one of the most effective methods to prevent and control desertification in desert management because of its small workload, low cost, convenience and quickness. Non-ionic polyacrylamide is a kind of soil humectant, which has strong hygroscopicity and can keep soil moisture, and can be used for soil improvement in arid areas. The profile control and water plugging agent for this oilfield can be widely used as profile control and water plugging agent for oilfield by combining nonionic polyacrylamide with essential cellulose and adding certain chemical additives. Zwitterionic polyacrylamide product form: white powder.
Product features: zwitterionic polyacrylamide contains cationic and anionic groups, which has the characteristics of general cationic flocculant and shows more excellent performance. This flocculant can be used in a wide PH range, with high filtration capacity and low filter cake moisture, and can also be used for leaching ores with strong acid or recovering valuable metals from acidic catalysts containing metals.
Zwitterionic type is by no means a mixture of anionic type and cationic type. If cationic polyacrylamide is mixed with anionic polyacrylamide, it will react and produce precipitation. Therefore, zwitterionic products are the most ideal.
Main uses:
A high-strength gel plugging agent with important polymer gel and resin gel was produced by combining profile control and plugging agent, crosslinking agent, stabilizer and coagulant. It can plug the pores and cracks in the formation by adhesion and physical plugging, adjust the proportion and control the gel-forming time to adapt to different geological conditions. Treat all kinds of oil, organic matter, inorganic matter, sewage and complex sewage. In the sewage system with variable PH value. Used for sludge dewatering. Used as an auxiliary agent for papermaking. Product classification Molecular weight (ten thousand) Cationic degree (%) Anionic degree (%) TPACP4051100405 TPACP6051100605
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