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Development of prototype titanate ion-exchange loaded-membranes for strontium, cesium and actinide decontamination from aqueous media

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Abstract

We have successfully incorporated high surface area particles of titanate ion-exchange materials (monosodium titanate and crystalline silicotitanate) into porous and inert support membrane fibrils. The resulting membrane sheets were used to evaluate the removal of surrogate radioactive materials for cesium-137 and strontium-90 from high caustic nuclear waste simulants. The membrane supports met the nominal requirement for non-chemical interaction with the embedded ion-exchange materials and were porous enough to allow sufficient liquid flow. Most of the stamped out 47-mm size titanium impregnated ion-exchange membrane discs removed more than 96% of dissolved cesium-133 and strontium-88 from caustic nuclear waste salt simulants.

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Authors and Affiliations

  1. Savannah River National Laboratory, Savannah River Site, Aiken, SC, 29808, USA

    L. N. Oji, K. B. Martin & D. T. Hobbs

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  1. L. N. Oji
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  2. K. B. Martin
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  3. D. T. Hobbs
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Correspondence to L. N. Oji.

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Oji, L.N., Martin, K.B. & Hobbs, D.T. Development of prototype titanate ion-exchange loaded-membranes for strontium, cesium and actinide decontamination from aqueous media. J Radioanal Nucl Chem 279, 847–854 (2009). https://doi.org/10.1007/s10967-008-7365-6

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  • DOI: https://doi.org/10.1007/s10967-008-7365-6

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