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Reference type: Journal
Authors: Liu Y, Qiu J, Jiang YH, Liu ZC, Meng MJ, Ni L, Qin CC, Peng JB
Article Title: Selective Ce(III) ion-imprinted polymer grafted on Fe3O4 nanoparticles supported by SBA-15 mesopores microreactor via surface-initiated RAFT polymerization.
Publication date: 2016
Journal: Microporous And Mesoporous Materials
Volume: 234
Page numbers: 176-185.
DOI: 10.1016/j.micromeso.2016.07.016
Alternative URL: http://www.sciencedirect.com/science/article/pii/S1387181116302712

Abstract: Ce(III) ion-imprinted polymer (Ce(III)-IIP) grafted on Fe3O4 nanoparticles supported by SBA-15 mesopores microreactor was successfully synthesized via reversible addition-fragmentation chain transfer (RAFT) polymerization for selective removal of Ce(III) from aqueous solution. The characterization results suggest that the surface ion-imprinted polymer (IIP) synthesized by RAFT is a thin layer. Adsorption isotherm experiments indicated that Redlich-Peterson isotherm model best fitted the experimental data and the adsorption capacity of IIP was obviously higher than that of non-imprinted polymers (NIP) at the same conditions. The kinetics of adsorption followed the Thomas model. Moreover, competitive adsorption studies illustrated that Ce(III)-IIP offers the advantages of selectivity towards Ce(III) compared with NIP even in the presence of other metal ions. All above results indicated the potential application of Ce(III)-IIP for selective removal of Ce(III) from aqueous solution
Template and target information: cerium ion, Ce(III)
Author keywords: Ion-imprinted polymer, SBA-15 mesopores microreactor, Fe3O4 nanoparticles, RAFT polymerization


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