Polyacrylamide (PAM) is a water-soluble polymer, insoluble in most organic solvents, and has good flocculation. It is widely used in water treatment, textile, printing and dyeing, papermaking, mineral processing, coal washing, medicine, sugar manufacturing, breeding, Building materials, agriculture and other industries. Known as "Baiye Auxiliaries". Polyacrylamide is a polymer that can be stored for a long time, but due to external factors and improper storage, some products are wet and caking, so what causes polyacrylamide to agglomerate? Will the polyacrylamide agglomeration affect the use effect? Guangdong Shouxin Environmental Protection Technology will share with you on this issue.
Polyacrylamide for mineral processing
Polyacrylamide agglomeration is divided into two cases:
The first type of agglomeration is a pseudo-agglomeration. Polyacrylamide pseudo-agglomeration does not affect the use effect. The main reasons are as follows:
1: When the polyacrylamide is produced, the package is loaded before it is completely cooled, which causes water vapor in the bag, which will cause false agglomeration. It will not disturb the use effect after being gently crushed and dissolved.
2: The polyacrylamide is placed too high during storage. The products stored in the middle and bottom layers will cause false agglomeration under the action of gravity. After being gently crushed and then dissolved, it will not affect the use effect.
3: Due to the high relative humidity in the air returning to the southern sky in spring, it is easy to cause false agglomeration of polyacrylamide. It will be disintegrated after being gently crushed and will not affect the use effect.
The second type of agglomeration is hard agglomeration due to moisture absorption and improper storage environment. Such agglomeration will make the product not very soluble and cause inconvenient operation. The main reasons are as follows:
1: The storage environment has high humidity and high humidity, and the storage conditions are closed and not ventilated.
2: The storage time of polyacrylamide is too long to exceed the shelf life.
Precautions for storage of polyacrylamide:
1: Polyacrylamide is stored in a cool, dry and ventilated environment.
2: The storage of polyacrylamide can not be directly stacked on the ground, it is best to store it on the card board to prevent the polypropylene from absorbing moisture and agglomeration.
3: The number of layers of polyacrylamide storage and storage should not be too high, generally the number of stacked layers should not exceed ten.
4: The polyacrylamide that has not been used must be sealed in a packaging bag, and cannot be exposed to the air, so it is easy to agglomerate.
5: Polyacrylamide must follow the principle of first storage and first use.
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