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Reference type: Journal
Authors: Luo XB, Luo SL, Zhan YC, Shu HY, Huang YN, Tu XM
Article Title: Novel Cu (II) magnetic ion imprinted materials prepared by surface imprinted technique combined with a sol-gel process.
Publication date: 2011
Journal: Journal of Hazardous Materials
Volume: 192
Issue: (3)
Page numbers: 949-955.
DOI: 10.1016/j.jhazmat.2011.05.042
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0304389411006819

Abstract: A novel Cu (II) magnetic ion-imprinted polymer (MIIP) was synthesized by surface imprinting technique combined with a sol-gel process. The adsorbent of Cu (II)-MIIP shows higher capacity and selectivity than that of magnetic non-imprinted polymers (MNIP). Adsorption capacities of Cu (II)-MIIP and MNIP are 24.2 and 5.2 mg/g for Cu (II) ions, respectively. The selectivity coefficients of the Cu (II)-MIIP for Cu (II)/Zn (II) and Cu (II)/Ni (II) are 91.84 and 133.92, respectively. Kinetics studies show that the adsorption process obeys pseudo-second-order rate mechanism with an initial adsorption rate of 132.48 for Cu (II)-MIIP and 2.41 mg g-1 min-1 for MNIP. In addition, no obvious decrease was observed after up to five adsorption cycles, indicating that the Cu (II)-MIIP is of high stability
Template and target information: copper ion, Cu(II)
Author keywords: Cu (II), Magnetic ion imprinted polymer, Surface imprinted technique, sol-gel process


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