Synthesis and metal ion uptake properties of water-insoluble functional copolymers: removal of metal ions with environmental impact

被引:0
|
作者
Bernabé L. Rivas
Iván M. Perič
Sandra Villegas
机构
[1] University of Concepción,Polymer Department, Faculty of Chemistry
[2] University of Concepción,Analytical and Inorganic Chemistry Department, Faculty of Chemical Sciences
来源
Polymer Bulletin | 2010年 / 65卷
关键词
Adsorbents; Radical polymerization; Metal ions; Polymer–metal complexes;
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学科分类号
摘要
New adsorbents, poly(N-(3-dimethylamino)propylmethacrylamide-co-acrylic acid), P(NDAPA-AA), poly(N-(3-dimethylamino)propylmethacrylamide-co-4-acryloylmorpholine), P(NDAPA-AMo), and poly(N-(3-dimethylamino)propylmethacrylamide-co-2-acrylamidoglycolic acid), P(NDAPA-AAg) were obtained by radical polymerization and characterized by Fourier transform infrared spectroscopy and thermogravimetry. The uptake metal ion properties of cadmium(II), zinc(II), lead(II), mercury(II), and chromium(III) were examined by batch-equilibrium technique with respect to the initial pH, temperature, and initial metal ion concentration under competitive and noncompetitive conditions. Maximum adsorption capacity was determined. Acid and basic regeneration was tested in order to restore the adsorbent to initial conditions. Resins P(NDAPA-AA) and P(NDAPA-AMo) showed a great ability to retain Cr(III), whereas P(NDAPA-co-AAg) to retain Hg(II).
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页码:917 / 928
页数:11
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