Combination of DGA and LN Columns: A Versatile Option for Isotope Production and Purification at Oak Ridge National Laboratory

Combination of DGA and LN Columns: A Versatile Option for Isotope Production and Purification at Oak Ridge National Laboratory

The chromatographic resins DGA and LN have been used sequentially to separate curium, californium, plutonium, and various fission products (FPs) to obtain products with a pure radioisotope or a radioelement with high isotopic purity. This 2-step combination of resins has found applications in the 25...

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Bibliographic Details
Published in:Solvent extraction and ion exchange Vol. 39; no. 2; pp. 166 - 183
Main Authors: Mayes, Richard T., VanCleve, Shelley M., Kehn, Jay S., Delashmitt, Jordan, Langley, Josh T., Lester, Brian P., Du, Miting, Felker, L. Kevin, Delmau, Lætitia H.
Format: Journal Article
Language:English
Published: United States Taylor & Francis 23-02-2021
Taylor and Francis
Subjects:
07 ISOTOPE AND RADIATION SOURCES
californium
cerium
chromatographic separation
curium
DGA resin
fission products
LN resin
plutonium
promethium
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Summary:The chromatographic resins DGA and LN have been used sequentially to separate curium, californium, plutonium, and various fission products (FPs) to obtain products with a pure radioisotope or a radioelement with high isotopic purity. This 2-step combination of resins has found applications in the 252 Cf and 238 Pu campaigns performed at Oak Ridge National Laboratory. Experiments have been carried out in glove boxes, shielded caves, and hot cells, demonstrating that these resins are adequate and maintain their performance in highly radiolytic environments. Using these resins has led to the recovery of curium highly enriched (>95%) in 248 Cm, the clean separation of 251 Cf for the superheavy element research, and the recovery of 147 Pm from the FP stream obtained during the 238 Pu production campaign while demonstrating that the raffinate post DGA is essentially free of transuranic elements.
Bibliography:AC05-00OR22725
USDOE Office of Science (SC), Nuclear Physics (NP)
ISSN:0736-6299
1532-2262
DOI:10.1080/07366299.2020.1831244