Issue 129, 2015
From the journal:

RSC Advances

Extraction of lanthanides using 1-hydroxy-6-N-octylcarboxamido-2(1H)-pyridinone as an extractant via competitive ligand complexations between aqueous and organic phases†

Neil J. Williams,ab   Chi-Linh Do-Thanh,b   Joseph J. Stankovich,a   Huimin Luoc  and  Sheng Dai*ab  

* Corresponding authors

a Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
E-mail: dais@ornl.gov

b Department of Chemistry, University of Tennessee, Knoxville, TN 37916, USA

c Energy and Transportation Science Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

Abstract

The ability to selectively extract lanthanides is crucial in hydrometallurgy and the nuclear fuel cycle. The capabilities of 1-hydroxy-6-N-octylcarboxamido-2(1H)-pyridinone (octyl-HOPO) as an extractant for the separation of lanthanides and actinides were studied for the first time. Octyl-HOPO greatly outperformed the traditional ligand di-2-ethylhexyl phosphoric acid (DEHPA).

Graphical abstract: Extraction of lanthanides using 1-hydroxy-6-N-octylcarboxamido-2(1H)-pyridinone as an extractant via competitive ligand complexations between aqueous and organic phases

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Article information

DOI
https://doi.org/10.1039/C5RA23443C
Article type
Communication
Submitted
06 Nov 2015
Accepted
09 Dec 2015
First published
10 Dec 2015

RSC Adv., 2015,5, 107054-107057

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Extraction of lanthanides using 1-hydroxy-6-N-octylcarboxamido-2(1H)-pyridinone as an extractant via competitive ligand complexations between aqueous and organic phases

N. J. Williams, C. Do-Thanh, J. J. Stankovich, H. Luo and S. Dai, RSC Adv., 2015, 5, 107054 DOI: 10.1039/C5RA23443C

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