Nonionic Polyacrylamide
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| Names | |
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| IUPAC name
Polyacrylamide,NPAM
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| Other names
poly(2-propenamide), poly(1-carbamoylethylene)
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| Identifiers | |
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CompTox Dashboard (EPA)
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| Properties | |
| (C3H5NO)n | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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| Infobox references | |
Nonionic Polyacrylamide (abbreviated as NPAM) is a polymer with the formula (-CH2CHCONH2-). Nonionic Polyacrylamide is a type of water-soluble polymer formed from acrylamide and various co-monomers. Unlike its anionic and cationic counterparts, nonionic polyacrylamide is electrically neutral, making it particularly suitable for applications where ionic charges may interfere.
Characteristics
NPAM exhibits high molecular weight and is highly water-soluble, contributing to its effectiveness in various industries. It possesses excellent flocculation, thickening, and dispersion properties, making it valuable in water treatment, enhanced oil recovery, and other processes.
Applications
Water Treatment: NPAM is widely used in water treatment processes for municipal and industrial wastewater. It aids in solid-liquid separation and promotes the removal of impurities, suspended solids, and contaminants.
Enhanced Oil Recovery (EOR): In the petroleum industry, NPAM is employed in enhanced oil recovery processes to improve the efficiency of oil extraction by modifying the rheological properties of water injected into oil reservoirs.
Papermaking: NPAM finds applications in the papermaking industry as a retention and drainage aid. It helps improve the retention of fine particles and enhances the overall efficiency of the papermaking process.
Mining: The mining industry utilizes NPAM for solid-liquid separation processes, such as tailings dewatering and ore beneficiation, where it aids in the efficient removal of suspended particles.
Environmental Considerations: Nonionic polyacrylamide is generally considered less toxic and environmentally friendly compared to its ionic counterparts. Its use in various applications aligns with efforts to develop sustainable and eco-friendly solutions for water treatment and related processes.
See also
References
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