Oxidation and extraction of Am(VI) using a monoamidic extractant in 3D printed centrifugal contactors

Law, Jack D.; Mincher, Bruce J.; Tillotson, Richard. D.; Schmitt, Nicholas C.; Grimes, Travis S.

doi:10.1007/s10967-018-6126-4

Oxidation and extraction of Am(VI) using a monoamidic extractant in 3D printed centrifugal contactors

Journal Article · Mon Aug 27 00:00:00 EDT 2018 · Journal of Radioanalytical and Nuclear Chemistry

DOI:https://doi.org/10.1007/s10967-018-6126-4· OSTI ID:1556083

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Idaho National Lab. (INL), Idaho Falls, ID (United States)

In this study, a series of tests were performed using centrifugal contactors to evaluate the separation of Am(VI) from cerium, as well as to determine the efficiency of the contactors. All experiments were performed using 2-cm, acrylic 3D-printed centrifugal contactors. Solvent extraction tests were performed using 1 M N,N-di(2-ethylhexyl)butyramide (DEHBA)/dodecane and a nitric acid feed solution spiked with ²⁴³Am and ¹³⁹Ce and oxidized with 60 mg mL^-1 sodium bismuthate. Approximately 72 % of the Am was extracted with a single contactor stage. Co-stripping of Am and Ce was demonstrated but attempts at selective stripping were not successful. Lastly, successful recycle of the used organic phase was demonstrated. Contactor efficiencies of 95-100% were obtained.

View Accepted Manuscript (DOE)

Research Organization:: Idaho National Laboratory (INL), Idaho Falls, ID (United States)

Sponsoring Organization:: USDOE; USDOE Office of Nuclear Energy (NE)

Grant/Contract Number:: AC07-05ID14517

OSTI ID:: 1556083

Alternate ID(s):: OSTI ID: 1572465
OSTI ID: 22748220

Report Number(s):: INL-CON--18-50163-Rev000; INL/JOU-18-44740-Rev000

Journal Information:: Journal of Radioanalytical and Nuclear Chemistry, Journal Name: Journal of Radioanalytical and Nuclear Chemistry Journal Issue: 1 Vol. 318; ISSN 0236-5731

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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Selective Extraction of Americium from Curium and the Lanthanides by the Lipophilic Ligand CyMe ₄ BTPhen Dissolved in Aliquat-336 Nitrate Ionic Liquid Zsabka, Peter; Hecke, Karen Van; Wilden, Andreas Solvent Extraction and Ion Exchange, Vol. 38, Issue 2 https://doi.org/10.1080/07366299.2019.1708006	journal	January 2020
Selective Extraction of Americium from Curium and the Lanthanides by the Lipophilic Ligand CyMe₄BTPhen Dissolved in Aliquat-336 Nitrate Ionic Liquid Zsabka, Peter; Hecke, Karen Van; Wilden, Andreas Taylor & Francis https://doi.org/10.6084/m9.figshare.11669652	text	January 2020

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Oxidation and extraction of Am(VI) using a monoamidic extractant in 3D printed centrifugal contactors

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References (16)

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