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Applications of MP-1 anion exchange resin and Eichrom LN resin in berkelium-249 purification

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Abstract

Purification of berkelium-249 (249Bk) at Oak Ridge National Laboratory requires a multi-step process with Bk Finishing as the final step. The current multi-process takes 6–7 months, including ~ 3 months spent on Bk Finishing. Recent trials of using columns of either LN resin or MP-1 anion exchange resin adsorbing the tetravalent 249Bk4+ in 8M HNO3-0.5M NaBrO3, followed by eluting impurities (e.g. Ce4+, Cf3+) and stripping 249Bk resulted in a new dual column method of selectively separating 249Bk from other trans-curium elements and fission product impurities, which is proposed to replace the current Bk Finishing with higher Bk purification efficiency and shorter processing period. This paper displays the experimental results and describes the dual column method with relevant chemistry issues.

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Acknowledgements

DOE, Office of Nuclear Physics, Physics and Isotope Program, under contract DE-AC05-00OR22725 with UT-Battelle, LLC

Dr. Susan Hogle, for communications concerning her research project of “Thermal Neutron Filter” technique.

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Authors and Affiliations

  1. Nuclear Security and Isotopes Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA

    Miting Du & Rose Boll

  2. Graduate School, University of Tennessee, Knoxville, TN, 37548, USA

    Ryan Tan

Authors
  1. Miting Du
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  2. Ryan Tan
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  3. Rose Boll
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Correspondence to Miting Du.

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Notice: This manuscript has been authored by UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The US government retains and the publisher, by accepting the article for publication, acknowledges that the US government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for US government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan).

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Du, M., Tan, R. & Boll, R. Applications of MP-1 anion exchange resin and Eichrom LN resin in berkelium-249 purification. J Radioanal Nucl Chem 318, 619–629 (2018). https://doi.org/10.1007/s10967-018-6136-2

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  • DOI: https://doi.org/10.1007/s10967-018-6136-2

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