How to Stir Properly Before Using Polyacrylamide?

As a water purification agent, polyacrylamide has a very good market prospect. As the country has paid more and more attention to environmental protection, the utilization and protection of water resources is a key project of environmental protection. Polyacrylamide will play a huge value in the environmental protection market. Next, SINOFLOC, as one of the polyacrylamide suppliers, will take you to learn about the relevant knowledge of polyacrylamide. Let's have a look!

1. Industrial uses of polyacrylamide

Generally, the main difference between the particle size of polyacrylamide is the difference in its degree of hydrolysis. The smaller the particle size, the greater the degree of hydrolysis of polyacrylamide, and the greater the viscosity. Therefore, if these smaller particle size polyacrylamides are used for industrial wastewater treatment, agglomerates are more likely to appear, resulting in waste of polyacrylamide. Therefore, polyacrylamide with smaller particle size is usually used for industrial auxiliaries, and polyacrylamide with larger particle size is usually used for sewage treatment.

When polyacrylamide is used as an industrial auxiliary in the paper industry, it is mainly used as a pulp dispersant. Polyacrylamide can increase the viscosity of the pulp, so that the pulp and fibers can be separated, so as to avoid excessive fiber content and affect the quality of the pulp, and make the pulp more uniform and stable.

There are differences in the acid-base properties of different polyacrylamide, which can be distinguished according to the different acid-base properties. Generally speaking, the acidity and alkalinity of the solution of anionic polyacrylamide are generally alkaline, which is more suitable for the treatment of acidic sewage. The cationic polyacrylamide is generally acidic and is more suitable for the treatment of alkaline sewage. For non-ionic polyacrylamide, it is more suitable for treating neutral sewage.

2. Correct stirring method before using polyacrylamide

Most polyacrylamide products are sold in solid form. When using amphoteric polyacrylamide (PAM), polyacrylamide needs to be dissolved first to form a polyacrylamide solution, and then polyacrylamide can be used. Not referring to a certain compound, polyacrylamide is a general term for a type of linear high-molecular-weight compounds. Polyacrylamide and its derivatives are currently one of the more popular flocculants, accounting for about 70% of the total market share. When using polyacrylamide, it is especially important to pay attention to the speed of stirring. Only a reasonable stirring speed can help us properly complete the dissolution of polyacrylamide, make polyacrylamide play a better use effect, and improve our economic interests. The degree of hydrolysis of polyacrylamide refers to the ability of weak ions in polyacrylamide solution to combine with water to form weak alkali or weak acid, or the strength of weak acid and weak base in polyacrylamide aqueous solution.

Agitation of the polyacrylamide during dissolution is essential. Reasonable stirring work can accelerate the dissolution of polyacrylamide and avoid the formation of flocculation when polyacrylamide is dissolved. When stirring polyacrylamide, we also need to pay attention to the stirring speed. If the stirring speed is too slow, the dissolution speed will be too slow, or the dissolution will be insufficient. It will lead to the phenomenon of polyacrylamide flocculation; and if the stirring speed is too fast, the polyacrylamide may be degraded due to high-speed mechanical stirring, resulting in a decrease in the use effect of polyacrylamide, thus affecting the treatment effect of pam polyacrylamide.