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Title: Sequestration of trivalent americium and lanthanide nitrates with bis-lactam-1,10-phenanthroline ligand in a hydrocarbon solvent

Abstract

Efficient separation of minor actinides and lanthanides from used nuclear fuel could potentially lead to the development of sustainable nuclear fuel cycles. In this work, we report an in-depth study on selectivity and speciation in the extraction of the trivalent minor actinide Am and rare earth metal ions with a pre-organized phenanthroline-based ligand in a hydrocarbon solvent system relevant to nuclear fuel reprocessing. The 1:1 and 2:1 ligand-to-metal complexes determine the speciation in the organic solvent over a range of ligand-to-metal concentrations, as evidenced by experimental data and supported by modeling.

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [2]; ORCiD logo [2]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [2]
  1. Oregon State Univ., Corvallis, OR (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Oregon State Univ., Corvallis, OR (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Nuclear Energy (NE), Fuel Cycle Technologies (NE-5)
OSTI Identifier:
1558683
Alternate Identifier(s):
OSTI ID: 1558526
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Published Article
Journal Name:
RSC Advances
Additional Journal Information:
Journal Volume: 9; Journal Issue: 46; Journal ID: ISSN 2046-2069
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Karslyan, Yana, Sloop, Frederick V., Delmau, Laetitia H., Moyer, Bruce A., Popovs, Ilja, Paulenova, Alena, and Jansone-Popova, Santa. Sequestration of trivalent americium and lanthanide nitrates with bis-lactam-1,10-phenanthroline ligand in a hydrocarbon solvent. United States: N. p., 2019. Web. doi:10.1039/c9ra06115k.
Karslyan, Yana, Sloop, Frederick V., Delmau, Laetitia H., Moyer, Bruce A., Popovs, Ilja, Paulenova, Alena, & Jansone-Popova, Santa. Sequestration of trivalent americium and lanthanide nitrates with bis-lactam-1,10-phenanthroline ligand in a hydrocarbon solvent. United States. doi:10.1039/c9ra06115k.
Karslyan, Yana, Sloop, Frederick V., Delmau, Laetitia H., Moyer, Bruce A., Popovs, Ilja, Paulenova, Alena, and Jansone-Popova, Santa. Fri . "Sequestration of trivalent americium and lanthanide nitrates with bis-lactam-1,10-phenanthroline ligand in a hydrocarbon solvent". United States. doi:10.1039/c9ra06115k.
@article{osti_1558683,
title = {Sequestration of trivalent americium and lanthanide nitrates with bis-lactam-1,10-phenanthroline ligand in a hydrocarbon solvent},
author = {Karslyan, Yana and Sloop, Frederick V. and Delmau, Laetitia H. and Moyer, Bruce A. and Popovs, Ilja and Paulenova, Alena and Jansone-Popova, Santa},
abstractNote = {Efficient separation of minor actinides and lanthanides from used nuclear fuel could potentially lead to the development of sustainable nuclear fuel cycles. In this work, we report an in-depth study on selectivity and speciation in the extraction of the trivalent minor actinide Am and rare earth metal ions with a pre-organized phenanthroline-based ligand in a hydrocarbon solvent system relevant to nuclear fuel reprocessing. The 1:1 and 2:1 ligand-to-metal complexes determine the speciation in the organic solvent over a range of ligand-to-metal concentrations, as evidenced by experimental data and supported by modeling.},
doi = {10.1039/c9ra06115k},
journal = {RSC Advances},
number = 46,
volume = 9,
place = {United States},
year = {2019},
month = {8}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1039/c9ra06115k

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