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Authors: Zhang W, Tan N, Hou D, Lin YW, Yan XM, Gao Y, He DX, Jiang M, Wang J
Article Title: Preparation, adsorption and recognition properties of uranyl ion-imprinted marine facultative fungus mainly modified by phytic acid and tetraethyl silicate.
Publication date: 2018
Journal: Journal of Radioanalytical and Nuclear Chemistry
Volume: 317
Issue: (2)
Page numbers: 701-714.
DOI: 10.1007/s10967-018-5937-7
Abstract: Uranyl ion-imprinted polymers (U(VI)-IIPs) were successfully prepared by combining phytic acid as the functional monomer, uranyl ion (UO22+) as the template, and tetraethyl silicate (TEOS) as the cross-linker with the marine facultative fungus Fusarium sp. #ZZF51 addicted to U (VI) mycelium through the ion-imprinted sol-gel method. Single-factor experiments were performed to optimize the preparation conditions and the prepared materials were better characterized with FTIR, SEM and BET meter. The optimum adsorption conditions were explored by single-factor experiments and BBD response surface method in detail. The adsorption-desorption recycling and adsorption selectivity experiments revealed that U(VI)-IIPs had a good stability and selectivity. The U (VI) adsorption process of U(VI)-IIPs was better described by the pseudo-second order kinetic equation and Langmuir isotherm model
Template and target information: uranyl ion, U(VI)
Author keywords: Ion-imprinted polymer, uranyl ion, Modified marine facultative fungus material, Phytic acid, adsorption selectivity
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