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When selecting high-quality polyacrylamide, we should understand its function and method

时间:2017-05-18 14:30:35 来源:本站 点击:483次

High quality non-ionic polyacrylamide is a kind of high molecular polymer. It can accelerate the sedimentation of particles in suspension, and has very obvious effects of accelerating solution clarification and promoting filtration (flocculation effect). High quality non-ionic polyacrylamide is mainly used for flocculation, sedimentation and clarification of various industrial wastewater; Now let's understand its main function and usage.

Function of high quality nonionic polyacrylamide

1. The performance of non-ionic profile control and water shutoff agent is higher than that of other single ion profile control and water shutoff agents.

2. Water treatment agent. When treating sewage and water on many occasions, the combination of anionic polyacrylamide and cationic polyacrylamide has a very good effect, and the dosage is small.

3. Nonionic polyacrylamide is used as sludge dehydrating agent. Especially for the sewage from oil refineries and chemical plants, the effect of using non-ionic polyacrylamide is more prominent.

4. Used in paper industry. As a papermaking chemical, its effect is unmatched by other high-quality polyacrylamide with single characteristics.

Usage of high quality nonionic polyacrylamide

a. When using high-quality non-ionic polyacrylamide, it needs to be proportioned into an aqueous solution with a concentration of 0.1%. It is better to use neutral water without salt sundries when dissolving.

b. Sprinkle high-quality non-ionic polyacrylamide evenly into the stirred water, and the stirring speed shall be controlled at 100 ~ 300 rpm. It is better to heat properly; This will accelerate the dissolution rate.

c. Adjust the pH value of the treated waste liquid to make the high-quality non-ionic polyacrylamide play a full role. Select the best pH value and the dosage of high-quality non-ionic polyacrylamide through the test.

d. When adding high-quality non-ionic polyacrylamide solution, the mixing with the treated waste liquid shall be accelerated. After flocs appear, the stirring speed shall be slowed down to facilitate the growth of flocs and accelerate sedimentation.

Here we remind users that when purchasing high-quality non-ionic polyacrylamide, they should first measure the type of wastewater and "suit the remedy to the case". Generally speaking, cationic polyacrylamide is used to treat sewage with acidic water quality, and anionic polyacrylamide is used to treat sewage with alkaline water quality.