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Authors: Ahamed MEH, Mbianda XY, Mulaba-Bafubiandi AF, Marjanovic L
Article Title: Ion imprinted polymers for the selective extraction of silver(I) ions in aqueous media: Kinetic modeling and isotherm studies.
Publication date: 2013
Journal: Reactive and Functional Polymers
Volume: 73
Issue: (3)
Page numbers: 474-483.
DOI: 10.1016/j.reactfunctpolym.2012.11.011
Alternative URL: http://www.sciencedirect.com/science/article/pii/S1381514812002933
Abstract: Ion imprinted polymers (IIPs) for selective extraction of Ag(I) ions from aqueous solution were synthesized by a precipitation polymerization method using two functional monomers, 4-vinyl pyridine (4-VP) and 1-vinyl imidazole (1-VID), and N,N-ethylene bisacrylamide (EBAm) as the cross linker. Batch adsorption experiments were carried out as a function of Ag(I) imprinted polymer amount, agitation time, pH and initial Ag(I) concentration. The kinetic studies indicated that pseudo-second-order kinetic model best describes the adsorption behavior, while the adsorption data correlated well with the Langmuir isotherm. Furthermore the selectivity studies revealed that the ion imprinted polymers had a higher absorption capacity and a higher selectivity, for the Ag(I) ions, than the control polymers
Template and target information: silver ion, Ag(I)
Author keywords: Ion imprinting polymer, selective extraction, Kinetic modeling and isotherm, Silver(I) ions
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