Abstract
Adsorption of U(VI) and other heavy metals on millimetre sized polymer-coated polyacrylinitrile (PAN) beads was investigated. PAN was used as scaffolds for the polymer layer thus producing porous material of high surface area, improved mechanical strength and improved adsorption capabilities. Extensive U(VI) adsorption studies were undertaken and results modelled using different kinetic and equilibrium models. Parameters including thermodynamic parameters were evaluated. Sorbent capacities were assessed as 124, 16, and 33 mg g−1 for PCP, SPP and Dowex at 60 °C respectively. U(VI) adsorption mechanism for these adsorbents was postulated. Recovered uranium may be used for production of cheap electricity.
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Acknowledgments
Thanks are due to V. Luca for assistance in resol synthesis, T. Cao, S. Deen, Clint Jennison and I. Karatchevtseva for technical assistance, and ANSTO Waste Operations for the use of their ICP-OES instrumentation.
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Aly, Z., Scales, N., Davis, J. et al. Mesoporous polymer-coated PAN beads for environmental applications: fabrication, characterisation and uranium adsorption studies. J Radioanal Nucl Chem 311, 43–57 (2017). https://doi.org/10.1007/s10967-016-4962-7
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DOI: https://doi.org/10.1007/s10967-016-4962-7