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Sorption of tungsten on alumina in dynamic conditions

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Summary

The sorption of tungstate anions on alumina from aqueous solutions of sodium chloride was investigated in dynamic conditions. The breakthrough curves as the function of W and NaCl concentrations, pH and the flow rates were determined. The breakthrough capacities, the capacities at C/C 0=0.5, the total column sorption capacities and the utilization degrees or column efficiencies, were determined. The obtained tungstate anion sorption data fit with a Langmuir-type isotherm. The values of the breakthrough capacity, Q 0,9 max ,the Langmuir equilibrium constant or affinity parameter, K L, and the free energy change, ΔG, of tungsten sorption were also determined.

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Authors and Affiliations

  1. Laboratory for Radioisotopes, Vinča Institute of Nuclear Sciences, 11001 Belgrade, P.O. Box 522, Serbia and Montenegro

    J. L. Vučina

  2. Laboratory for Radioisotopes, Vinča Institute of Nuclear Sciences, 11001 Belgrade, P.O. Box 522, Serbia and Montenegro

    D. M. Lukić

  3. Chemical Dynamics Laboratory, Vinča Institute of Nuclear Sciences, 11001 Belgrade, P.O. Box 522, Serbia and Montenegro

    S. K. Milonjić

  4. Department of Physical Chemistry, Vinča Institute of Nuclear Sciences, 11001 Belgrade, P.O. Box 522, Serbia and Montenegro

    M. M. Stoiljković

Authors
  1. J. L. Vučina
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  2. D. M. Lukić
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  3. S. K. Milonjić
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  4. M. M. Stoiljković
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Vučina, J., Lukić, D., Milonjić, S. et al. Sorption of tungsten on alumina in dynamic conditions. J Radioanal Nucl Chem 267, 67–72 (2005). https://doi.org/10.1007/s10967-006-0010-3

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  • DOI: https://doi.org/10.1007/s10967-006-0010-3

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