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Reference type: Journal
Authors: Hoai NT, Yoo DK, Kim D
Article Title: Batch and column separation characteristics of copper-imprinted porous polymer micro-beads synthesized by a direct imprinting method.
Publication date: 2010
Journal: Journal of Hazardous Materials
Volume: 173
Issue: (1-3)
Page numbers: 462-467.
DOI: 10.1016/j.jhazmat.2009.08.107
Alternative URL: http://www.sciencedirect.com/science/article/B6TGF-4X49YJF-4/2/48a96eb92d3f20466bbd02a3056dad74

Abstract: Copper (II) ion-imprinted porous polymethacrylate micro-particles were prepared. Two functional monomers, methacrylic acid and vinyl pyridine, formed a complex with the template copper ion through ionic interactions. The self-assembled copper/monomer complex was polymerized in the presence of an ethylene glycol dimethacrylate cross-linker by a suspension method. After the imprinting sites were provided through removal of the template, the micro-porous particles, of approximate size 200μm, were obtained for batch and column separation applications. The chemical structure and morphology of the Cu(II)-imprinted micro-porous particles were analyzed using FTIR, SEM, and BET. The adsorption capacity and adsorption kinetics of the imprinted beads for the template Cu(II) ion were significantly affected by particle size, copper ion concentration, pH, and flow rate of the feed solution. The imprinted particles showed high selectivity for the copper ion over other metal ions such as Ni and Zn. The selectivity of the present imprinted polymers for the copper ion was at least 10 times as high as those from commercial sources
Template and target information: copper ion, Cu(II)
Author keywords: imprinted polymer, selective separation, heavy metal ion, Metal, monomer complex

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