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Radiation stability of several polymeric supports used for radionuclide transport from nuclear wastes using liquid membranes

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Abstract

In an attempt to evaluate radiation stability of several polymeric materials used as the support in supported liquid membrane studies for the transport of radionuclides from nuclear waste, flat sheets made from polytetrafluoroethylene, polysulfone, polyether sulfone, polyacrylonitrile and polyvinylidenefluoride were irradiated to varying extents using a 60Co gamma ray source and subsequently, the transport efficiency of the irradiated flat sheets were evaluated. The membrane integrity was assessed from the transport rates of Am3+ from a feed containing 3 M HNO3 into a receiver phase containing 0.01 M HNO3 as the strippant while 0.1 M TODGA (N,N,N′,N′-tetraoctyldiglycolamide) + 0.5 M DHOA (di-n-hexyloctanamide) in n-dodecane was used as the carrier extractant. The radiation stability of the membrane filters was evaluated after irradiating them up to 20 MRad absorbed dose in a gamma chamber.

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Acknowledgments

The authors (PKM and DRR) thank Dr. A. Goswami, Head, Radiochemistry Division for his keen interest.

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Authors and Affiliations

  1. Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085, India

    P. K. Mohapatra, D. R. Raut & V. K. Manchanda

  2. Desalination Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085, India

    A. K. Ghosh

  3. Reverse Osmosis Division, Central Salt and Marine Chemicals Research Institute, Bhavnagar, 364002, Gujarat, India

    A. V. R. Reddy

Authors
  1. P. K. Mohapatra
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  2. D. R. Raut
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  3. A. K. Ghosh
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  4. A. V. R. Reddy
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  5. V. K. Manchanda
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Correspondence to P. K. Mohapatra.

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Mohapatra, P.K., Raut, D.R., Ghosh, A.K. et al. Radiation stability of several polymeric supports used for radionuclide transport from nuclear wastes using liquid membranes. J Radioanal Nucl Chem 298, 807–811 (2013). https://doi.org/10.1007/s10967-013-2461-7

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  • DOI: https://doi.org/10.1007/s10967-013-2461-7

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