Cationic polyacrylamide (Praestol 8540）can be replaced by Chinafloc C series
Polyacrylamide, also known as PAM, is often used in the field of water treatment and purification. Because of the linear water-soluble polymer, the long molecular chain structure can play the role of flocculation, precipitation and purification, and has a high viscosity after dissolution, so it can also be used as a binder, thickening agent, resistance reducer. From the point of view of physical and chemical properties, with several characteristics, therefore, analyze the scope of action of polyacrylamide.
Polyacrylamide scope of action:
1. Water treatment
Water treatment includes raw water treatment, sewage treatment and industrial water treatment. In raw water treatment with activated carbon, etc., can be used for coagulation and clarification of suspended particles in living water. If organic flocculant acrylamide is used instead of inorganic flocculant, the water purification capacity can be increased by more than 20% even without reforming sedimentation tank.
In sewage treatment, the use of polyacrylamide can increase the utilization rate of water recycling cycle, but also can be used for sludge dewatering; It is used as an important ingredient in industrial water treatment. Polyacrylamide is widely used in water treatment abroad, and its application in this field is being promoted in China.
2. Application in oil recovery
Polyacrylamide is a kind of multifunctional oil field chemical treatment agent, widely used in oil drilling, cementing, completion, workover, fracturing, acidification, water injection, water plugging profile control, tertiary oil recovery operation process, especially in the drilling, water plugging profile control and tertiary oil recovery field. Polyacrylamide aqueous solution has high viscosity, good thickening, flocculation and rheological regulation, and is used as an oil displacement agent and drilling mud regulator in petroleum exploitation.
3. Paper making
Polyacrylamide is widely used in the field of papermaking as retention aid, filter aid, homogeneity agent to improve the quality of paper, slurry dehydration performance, fine fiber and filler retention, reduce raw material consumption and environmental pollution, as a dispersant, can improve the uniformity of paper.
4. Medical materials
Polyacrylamide gel can be used as non-thrombin progranulator, surgical, contact lens raw material, microcapsule outer coating material, and used to manufacture high quality hemostatic tether, women's sanitary napkin and children's diapers. Polyacrylamide with particle sizes ranging from hundreds of microns to tens of microns can be used as chromatographic fillers (e.g. gel chromatographic column fillers) to effectively separate spherical proteins such as cytochrome.
5. Other industries
Food industry, used for sugar cane sugar, sugar beet sugar production cane juice clarification and syrup phosphorus float extraction. Enzyme preparation fermentation liquid flocculation clarification industry, but also used for the recovery of feed protein, stable quality, good performance, recovery of protein powder on the chicken survival rate and weight gain, egg production without adverse effects.
Synthetic resin coatings, water plugging of civil grouting materials, building materials industry, cement quality improvement, construction adhesive, joint repair and water plugging agent, soil improvement, electroplating industry, printing and dyeing industry, etc.
Polyacrylamide has a wide range of effects, and the treatment effect is significant. Especially used in the field of water treatment as a flocculant, the dosage is small, and can effectively precipitate and purify, the formation of alum flower is large and dense, can effectively achieve mud water stratification, treated supernatant is clear and transparent.