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Development and application of high molecular weight and ultra high molecular weight polyacrylamide

  • Author:Carria Wang
  • Source:Original
  • Release on:2021-11-19

1. Sewage treatment

High molecular weight polyacrylamide emulsion products have the advantages of simple production process, fast reaction, convenient operation, safe production and high efficiency. The most important of these is the low dosage of high molecular weight cationic polyacrylamide, high stability, flocculation, and high desilting efficiency. The performance comparison between the products of this project and domestic products can be seen in the table below.

Comparison of project products and domestic products: <10 million instant and stable, low lasting dosage, high efficiency

The polyacrylamide produced by this project is an authentic pollution-free product, and there is no "three wastes" in the production process.

2. Papermaking

Polyacrylamide is an important additive in the paper industry. In the papermaking process, polyacrylamide can increase the retention rate of fillers, pigments, etc. to reduce the loss of raw materials and environmental pollution. In addition, the wet and dry strength of paper can be improved. my country is a large paper-making country. With the development of the paper-making industry, the amount of polyacrylamide will also increase. However, the domestic production of high molecular weight polyacrylamide technology is relatively backward. The existing products have shortcomings such as low molecular weight, poor stability, and slow dissolution rate, so the existing products cannot meet the development and needs of the paper industry. Due to the advantages of high molecular weight, high efficiency, and good stability, the products of this project will be widely used in the paper industry. Imported high-molecular-weight polyacrylamide is used as a retention aid in papermaking, and the current market price is between 45,000 yuan/ton and 50,000 yuan/ton. From this point of view, science and technology, as advanced productivity, will bring huge benefits to society and enterprises.

3. Oil production

High molecular weight polyacrylamide is not only an efficient flocculant and papermaking additive, but also an extremely good thickener. Due to the high viscosity of the polyacrylamide aqueous solution, it can be used as an additive for various purposes in oil exploitation, such as drilling fluid, fracturing fluid and polymer flooding to improve oil recovery. For example, in the process of oilfield exploitation, the average injection of 1 ton of polyacrylamide can increase the production of crude oil by more than 150 tons and increase the recovery rate by 10%. The molecular weight of polyacrylamide in petroleum exploitation can reach more than 10 million. However, because ultra-high molecular weight polyacrylamide cannot be produced in China at present, the existing products cannot meet the development and demand of petroleum exploitation. This project will produce ultra-high molecular weight polyacrylamide, which is mainly used in oilfield exploitation. Therefore, the application of the products of this project in oil exploration will also bring gratifying economic and social benefits.

Shandong Welldone, as one of the top ten manufacturers of polyacrylamide in China, can provide customers with the required anionic, cationic and non-ionic polyacrylamide. If you are interested in a certain product, don’t be hesitate to contact us.