Preparation, adsorption and recognition properties of uranyl ion-imprinted marine facultative fungus mainly modified by phytic acid and tetraethyl silicate

Uranyl ion-imprinted polymers (U(VI)-IIPs) were successfully prepared by combining phytic acid as the functional monomer, uranyl ion (UO 2 2+ ) as the template, and tetraethyl silicate (TEOS) as the cross-linker with the marine facultative fungus Fusarium sp. #ZZF51 addicted to U (VI) mycelium throu...

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Veröffentlicht in:Journal of radioanalytical and nuclear chemistry 2018-08, Vol.317 (2), p.701-714
Hauptverfasser: Zhang, W., Tan, N., Hou, D., Lin, Y. W., Yan, X. M., Gao, Y., He, D. X., Jiang, M., Wang, J.
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container_end_page 714
container_issue 2
container_start_page 701
container_title Journal of radioanalytical and nuclear chemistry
container_volume 317
creator Zhang, W.
Tan, N.
Hou, D.
Lin, Y. W.
Yan, X. M.
Gao, Y.
He, D. X.
Jiang, M.
Wang, J.
description Uranyl ion-imprinted polymers (U(VI)-IIPs) were successfully prepared by combining phytic acid as the functional monomer, uranyl ion (UO 2 2+ ) 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.
doi_str_mv 10.1007/s10967-018-5937-7
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subjects Adsorption
Analysis
Chemistry
Chemistry and Materials Science
Crosslinking
Diagnostic Radiology
Experiments
Fungi
Hadrons
Heavy Ions
Imprinted polymers
Inorganic Chemistry
Kinetic equations
Nuclear Chemistry
Nuclear Physics
Optimization
Phosphates
Physical Chemistry
Phytic acid
Response surface methodology
Selectivity
Silicates
Sol-gel processes
Sorption
Tetraethyl orthosilicate
Uranium
title Preparation, adsorption and recognition properties of uranyl ion-imprinted marine facultative fungus mainly modified by phytic acid and tetraethyl silicate
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