Polyacrylamide (PAM)

Polyacrylamide Powder
Polyacrylamide (PAM) for sale
Cationic PAM
Anionic PAM
PAM packaging
Polyacrylamide Powder Polyacrylamide (PAM) for sale Cationic PAM Anionic PAM PAM packaging

  • Product Name:  Polyacrylamide
  • Appearance:  White Granular
  • Type:  Anionic, Cationic, Nonionic, Amphoteric
  • Solid Content (%):  ≥90
  • CAS NO.: 9003-05-8
  • MF:  (C3H5NO)n
  • HS Code: 39069010

Polyacrylamide (PAM) is a water-soluble polymer formed by the polymerization of acrylamide. The appearance is white granules or powder. And it is soluble in water and insoluble in organic matter. PAM is a synthetic chemical that can be modified for a wide range of applications. So PAM chemical can be used for petroleum exploration, water treatment, textile, papermaking, mineral processing, medicine, agriculture and other industries, etc.

Introduction of Polyacrylamide (PAM)

The polyacrylamide (PAM) can be divided into four types, they are anionic PAM, cationic PAM, nonionic and amphoteric PAM. The following are their detailed introduction and specifications.

The molecular weight of anionic polymer flocculant is usually higher than that of cationic polymer or nonionic polymer, and its clarifying properties are mainly obtained by neutralization of charges. Its function is mainly to flocculate negatively charged colloids, with functions such as turbidity removal and decolorization, and is suitable for water treatment with high organic colloid content.

APAM anionic polyacrylamide can be widely used in waste water treatment of chemical industry, municipal sewage treatment, such as coal washing, mineral processing, metallurgy, iron and steel industry and electronic industry. Anionic polymers are used in the petroleum industry for enhanced oil recovery. In addition, it can also be used as papermaking auxiliary agent and textile pulping agent.

Cationic polyacrylamide is a linear high molecular polymer which is copolymerized by cationic monomer and acrylamide in different proportions by advanced polymerization technology. The cationic polymer has the characteristics of fast dissolution rate, narrow molecular weight distribution and small dosage.

CPAM is very efficient in usage and has high dehydration rate. Cationic polymer is used for the waste water treatment in alcohol factory, monosodium glutamate factory, sugar factory, beverage factory, tanneries, dyeing and other fields. It has a better effect to be used together with inorganic coagulant in particular. Besides, cationic polyacrylamide can be used as paper additives as well.

Nonionic polyacrylamide is a very effective flocculant and can be used for various types of sewage treatment. Its characteristics are: its flocculation performance is less affected by the pH value of wastewater and salts, and the flocculation strength is higher than that of anionic flocculants, especially in the treatment of acidic wastewater, the effect is better than that of anionic PAM. In addition, in the treatment of oily sewage in oil fields, it is usually used in combination with inorganic flocculants.

Amphoteric polyacrylamide is obtained by hydrolysis and copolymerization of vinyl amide and vinyl cationic monomer acrylamide monomer. But it is not a mixture of anionic and cationic types. If cationic polyacrylamide is used in combination with anionic polyacrylamide, the reaction will cause precipitation. Therefore, amphoteric PAM is an ideal product.

The amphoteric PAM molecules contain cationic groups and anionic groups, and have the characteristics of general cationic flocculants, so it will show more excellent performance. This flocculant can be used in a wide range of pH value, has high water filtration capacity and low moisture content of filter cake, and can also be used for strong acid leaching of ores or recovery of valuable metals in metal-containing acid catalysts.

PAM Flocculant for Water Treatment
PAM Flocculant for Water Treatment
Item Anionic Polyacrylamide (APAM)
Solid Content ,(%) ≥90
Molecular Weight, (million) 18~22 million
Hydrolyzing degree ,(%) 10~30
Effective pH value 7.0~14.0
Dissolving time(minutes) ≤90
Packing Net 25kg / paper bag with inner plastic bag
ItemCationic Polyacrylamide (CPAM)
Solid Content,(%)≥90
Molecular Weight, (million)8~12 million
Ion degree, (%)10~60
Effective pH value1.0~14.0
Dissolving time(minutes)40~60
PackingNet 25kg / paper bag with inner plastic bag
ItemNonionic Polyacrylamide (NPAM)
Solid Content ,(%)≥89
Molecular Weight, (million)3-10 million
Ion content≤5
Effective pH value1.0~8.0
Dissolving time(minutes)≤90

Main Applications of Polyacrylamide (PAM)

  • As a polymer flocculant for water treatment, polyacrylamide pam flocculant can absorb suspended particles in water, act as a link and bridge between particles, make fine particles form relatively large flocs, and speed up the speed of precipitation.
  • PAM chemical increases the viscosity of water, and it is widely used in the petroleum industry for enhanced oil recovery.
  • Polyacrylamide can be used as a binder for pulp fibers in the paper industry.
  • In agricultural applications, PAM powder can be used as a soil conditioner.
  • It can also be used in mining, ore processing, food additives, textile manufacturing and gel electrophoresis.

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