Polyacrylamide For Waste Water Treatment

Anionic polyacrylamide emulsion is an important water-soluble polymer, which is widely used in many fields. The following is a detailed introduction to it: I. Preparation method Anionic polyacrylamide emulsions are usually prepared by dispersion or reversed-phase emulsion polymerization. In the process of preparation, monomers such as acrylamide are added to the reaction vessel, polymerization is carried out under the action of initiator, and finally anionic polyacrylamide emulsion is formed. The specific preparation method may vary depending on the manufacturer and the use of the product. Second, product characteristics Fast dissolution rate: Anionic polyacrylamide emulsion has excellent solubility and can be quickly dissolved in water to form a uniform solution. High molecular weight: the molecular weight of the emulsion can reach more than 20 million, and the chain length is long enough to form a fairly strong coating and inhibition effect. High effective content: The effective content of general anionic polyacrylamide emulsion is about 30% to 50%. 3. Application fields Anionic polyacrylamide emulsions are widely used in the following fields: Water treatment: As a flocculant, it is used for industrial wastewater treatment, drinking water treatment, river sewage treatment, coal washing water treatment and sand washing water treatment. It can quickly form large flocculants, accelerate the settlement of suspended solids, and improve the efficiency of water purification. In the field of oil fields, anionic polyacrylamide emulsions are commonly used as drag reduction agents and large-molecule coating inhibitors for drilling emulsions to help improve drilling efficiency and safety. Paper industry: As a paper additive, such as paper dispersant, paper enhancer, retention agent, filter aid, etc., help to improve the quality and yield of paper. Other fields: As a clarifying agent for sugar juice in the sugar industry; Used as a bonding agent in the fragrance industry; Used as a viscosifier in glue manufacturing process; It is used as thickener in coating production process. 4. Precautions for use Storage conditions: Anionic polyacrylamide emulsions should be stored in a cool, dry, well-ventilated place, away from direct sunlight and high temperatures. The storage temperature is generally between 0 and 30 ° C, and the storage time is 6 months. Dissolution method: Before use, the emulsion should be stirred evenly, and then slowly added to the water according to a certain proportion, stirring while adding until completely dissolved. Safety protection: Although the anionic polyacrylamide emulsion itself is non-toxic, it is still necessary to pay attention to safety protection during use, such as wearing protective glasses, gloves, etc. 5. Market prospects With the improvement of environmental protection awareness and the continuous development of water treatment technology, anionic polyacrylamide emulsion has more and more broad application prospects in water treatment, oil field, paper making and other fields. At the same time, with the continuous improvement of the production process and the continuous improvement of product quality, the market competitiveness of anionic polyacrylamide emulsion will be further enhanced.

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(1) Super Absorbent Polymer

In the process of industrial production and people's life, some substances are often used to absorb and retain water, and we call such substances that can absorb and retain water absorbent materials. Super Absorbent Polymers not only have high water absorption capacity, but also high water retention capacity, it contains strong hydrophilic groups, insoluble in water, but can absorb dozens, hundreds or even thousands of times the weight of water polymer.

(2) Sodium Polyacrylate

Sodium polyacrylate is often used as a water treatment agent, brine refining and latex thickening, but also as a food viscosity, emulsification. Sodium polyacrylate is extremely wet, is a kind of polymer compound with both hydrophilic and hydrophobic groups. It can slowly dissolve in water to form a very viscous transparent liquid, the viscosity of 0.5% solution is about 1Pa-s, and its viscosity is roughly equal to that of CMC, which is 15~20 times of sodium alginate.