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Selective separation of trivalent f-ions using 1,10-phenanthroline-2,9-dicarboxamide ligands in ionic liquids

Journal Article · · Dalton Transactions
DOI:https://doi.org/10.1039/c6dt01800a· OSTI ID:1333009
 [1];  [2];  [3];  [4];  [2]
  1. Univ. of Tennessee, Knoxville, TN (United States)
  2. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Argonne National Lab. (ANL), Argonne, IL (United States)
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
+ Show Author Affiliations

1,10-Phenanthroline-2,9-dicarboxamide complexants decorated with alkyl chains and imidazolium cations have been studied for extraction of trivalent f-ions into imidazolium ionic liquids. The dicationic complexants are shown to extract Am over Eu with separation factors > 50 and high extraction efficiencies. Lastly, the different size selectivities for lanthanide ions were observed for these two types of the complexants, highlighting the importance of the positive charge in controlling both extraction efficiencies and extraction selectivities.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1333009
Journal Information:
Dalton Transactions, Journal Name: Dalton Transactions Journal Issue: 29 Vol. 45; ISSN 1477-9226; ISSN ICHBD9
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (5)

Efficient Separation of Light Lanthanides(III) by Using Bis‐Lactam Phenanthroline Ligands journal March 2019
Ligands for f-element extraction used in the nuclear fuel cycle journal January 2017
The impact of alicyclic substituents on the extraction ability of new family of 1,10-phenanthroline-2,9-diamides journal January 2020
Phenanthroline-based fluorescence sensors for Eu 3+ ion and subsequent enantioselective discriminating of malate journal August 2018
Phenanthroline-based fluorescence sensors for Eu3+ ion and subsequent enantioselective discriminating of malate text January 2018

Figures / Tables (31)

Fig. 1(p. 5)figure Fig. 1
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Table 1(p. 6)table Table 1
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Scheme S1(p. 15)figure Scheme S1
Table S1(p. 16)table Table S1
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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
lanthanides
liquid-liquid extraction
minor actinides
nuclear separations