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

Miting Du; Ryan Tan; Rose Boll

doi:10.1007/s10967-018-6136-2

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

Miting Du, Ryan Tan, Rose Boll

Radiochemical Process Development

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

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.

Original language	English
Pages (from-to)	619-629
Number of pages	11
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	318
Issue number	1
DOIs	https://doi.org/10.1007/s10967-018-6136-2
State	Published - Oct 1 2018

Funding

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). 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. 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). 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.

Funders	Funder number
DOE Public Access Plan
Office of Nuclear Physics	DE-AC05-00OR22725
US Department of Energy
U.S. Department of Energy

Keywords

Bk
Dual column method
LN resin
MP-1 resin
NaBrO

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10.1007/s10967-018-6136-2

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title = "Applications of MP-1 anion exchange resin and Eichrom LN resin in berkelium-249 purification",

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

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