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Iodine adsorption on silver-exchanged titania-derived adsorbents

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Abstract

I-129 is a hazardous fission product due to its long half life and ability to bioaccumulate. Silver mordenite has been studied for the removal of I-129 because of its hydrothermal stability arising from a high Si/Al ratio which subsequently limits its silver loading and iodine capacity. Titanosilicate ETS-10 and the sodium nanotitanate ETS-2 were exchanged to over 35 wt % silver and exposed to saturated iodine vapour at 80 °C under dry and humid conditions. The results indicate that the silver on these materials is reactive toward iodine and that the majority of the silver ions are utilized.

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Authors and Affiliations

  1. Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB, T6G 2V4, Canada

    Lan Wu, James A. Sawada, Tetyana Kuznicki & Steven M. Kuznicki

  2. Maxxam Analytics, 9331 48 St NW, Edmonton, AB, T6B 2R4, Canada

    Daniel B. Kuznicki

Authors
  1. Lan Wu
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  2. James A. Sawada
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  3. Daniel B. Kuznicki
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  4. Tetyana Kuznicki
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  5. Steven M. Kuznicki
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Correspondence to Steven M. Kuznicki.

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Wu, L., Sawada, J.A., Kuznicki, D.B. et al. Iodine adsorption on silver-exchanged titania-derived adsorbents. J Radioanal Nucl Chem 302, 527–532 (2014). https://doi.org/10.1007/s10967-014-3252-5

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  • DOI: https://doi.org/10.1007/s10967-014-3252-5

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