How To Use Anionic polyacrylamide (APAM)

Anionic polyacrylamide (APAM) is an important chemical additive commonly used in water treatment, mineral processing and pulp processing. As an efficient flocculant, APAM has a strong negative charge and can quickly adsorb positively charged impurity particles in water to form large floccules, thereby improving the efficiency of solid-liquid separation. This article will introduce in detail the use of polyacrylamide anions, application areas, and how to effectively play its role.

1. Preparation method of polyacrylamide anions
In order to ensure that polyacrylamide anions can fully play their role, the correct preparation and dissolution process are essential
Dissolution process: Slowly add polyacrylamide anion powder to water to avoid agglomeration. Use a low-speed agitator to help the powder dissolve more evenly in water. The dissolution time is usually 30 minutes to 1 hour, depending on the water temperature and stirring speed.

Concentration selection: According to different application requirements, the solution concentration of polyacrylamide cations is usually controlled between 0.1% and 0.5%. In the water treatment industry, low-concentration solutions are usually used to achieve better flocculation effects.

2. How to use polyacrylamide anions 
Polyacrylamide cations are widely used in various water treatment projects, especially in sewage treatment and drinking water purification. The correct dosing method and dosage are the key to ensure that polyacrylamide can achieve the best effect. 
Dosage: According to the concentration and type of suspended matter in the water, the dosage of polyacrylamide anions is usually 1-10 ppm (1-10mg/). The most suitable dosage needs to be determined through experiments to achieve the best flocculation effect.
Dosage method: Under normal circumstances, polyacrylamide anions should be added in a mixing tank or flocculation tank to ensure that they can fully contact with pollutants in the water to form stable floccules. 
Mixing and reaction: After addition, proper stirring helps polyacrylamide anions to combine with suspended matter and promote the flocculation reaction. The stirring time is generally 20-30 minutes.

3.Application fields of polyacrylamide anions 
Polyacrylamide anions are widely used in many industries, especially in the following fields 
Sewage treatment: In the process of sewage treatment, polyacrylamide anions are used to remove suspended matter, grease, solid particles and other pollutants in water, and are widely used in urban sewage treatment plants, industrial wastewater treatment, etc. 
Mineral processing: In the process of mineral processing, APAM can improve the separation efficiency of minerals, especially in the flotation and precipitation links, it can effectively promote the coagulation and precipitation of pulp. 
Pulp processing: The application of polyacrylamide anions in pulp processing helps to improve the quality of paper and reduce pollutants in the production process. 
Drinking water purification: In the purification of drinking water, polyacrylamide anions can effectively remove impurities and harmful substances in water to ensure that the water quality meets safety standards.

4.Storage conditions: Polyacrylamide anions should be stored in a cool and dry environment, away from direct sunlight and moisture to prevent them from degradation or deterioration. 
Safety protection: When using polyacrylamide anions, appropriate personal protective equipment such as gloves, masks and goggles should be worn to avoid direct contact with skin and eyes. Compatibility: When preparing polyacrylamide anion, avoid mixing it with strong acid, strong alkali or strong oxidant to avoid affecting its effect. 

5. Advantages of polyacrylamide anion in water treatment
As a high-efficiency flocculant, polyacrylamide anion has the following advantages in the field of water treatment:
-High-efficiency flocculation: It can effectively adsorb and aggregate fine particles in water to form large floccules, which are easy to precipitate and remove.
-Wide range of application: Whether it is industrial wastewater or urban sewage, APAM can provide efficient treatment effect and is widely used.
-Easy operation: Compared with traditional water treatment methods, polyacrylamide anion is simple to operate, low cost, and easy to use with other treatment agents.