|Application:||Waste Water Treatment||Other Name:||Polyacrylamide|
88% pam coagulant,
C3H5NO pam water treatment
Flocculant And Coagulant Chemical Raw Material Polyacrylamide PAM
Polyacrylamide (PAM) is a general term for acrylamide homopolymer or polymers obtained by copolymerization with other monomers. It is one of the most widely used varieties of water-soluble polymers. Because the polyacrylamide structural unit contains amide groups, it is easy to form hydrogen bonds, so that it has good water solubility and high chemical activity, and it is easy to obtain multiple modified products with branched or network structure through grafting or crosslinking. , Has a wide range of applications in petroleum exploration, water treatment, textile, papermaking, mineral processing, medicine, agriculture and other industries, and is known as "Auxiliary for All Industries". The main application areas abroad are water treatment, papermaking, mining, metallurgy, etc.; currently the largest domestic use is in the field of oil extraction, and the fastest growing use is in the field of water treatment and papermaking.
Polyacrylamide classification: nonionic (NPAM), cationic (CPAM), anionic (APAM) and Zwitterionic (Amphionic PAM).
|Item/Type||Appearance||Molecular weight(ten thousand)||Solid content%||Degree of ion or hydrolysis%||Residual monomer||Range of application|
|Anionic PAM||White granules or powders||300-1800||≥88||degree of hydrolysis 10-35||≤0.2||water has a neutral or alkaline PH|
|Cationold PAM||White granules or powders||500-1200||≥88||ionic 5-60||≤0.2||belt type centrifugal press filter press|
|Nonionic PAM||White granules or powders||200-1500||≥88||degree of hydrolysis 0-5||≤0.2||water has a neutral or alkaline PH|
|Zwitterionic PAM||White granules or powders||500-1200||≥88||ionic 5-50||≤0.2||belt type centrifugal press filter press|
Polyacrylamide is widely used in water treatment, including raw water treatment, sewage treatment and industrial water treatment. The main role of polyacrylamide in water treatment:
1. Reduce the amount of flocculant. Under the premise of achieving the same water quality, polyacrylamide is used as a coagulant aid in combination with other flocculants, which can greatly reduce the amount of flocculant used; under the premise of achieving the same water quality, polyacrylamide is used as a coagulant aid and other flocculants Used in conjunction, it can greatly reduce the amount of flocculant used.
2. Improve water quality. In drinking water treatment and industrial wastewater treatment, the use of polyacrylamide in combination with inorganic flocculants can significantly improve water quality.
3. Improve the strength and settling speed of flocs. The flocs formed by polyacrylamide have high strength and good settling performance, thereby increasing the speed of solid-liquid separation, which is conducive to sludge dewatering.
4. Anti-corrosion and anti-scaling of the circulating cooling system. The use of polyacrylamide can greatly reduce the amount of inorganic flocculants, thereby avoiding the deposition of inorganic substances on the surface of the equipment, and slowing down the corrosion and scaling of the equipment.
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