Separation of uranium from lanthanum in molecular and ionic organic liquids

Lopes, L.; Martinot, L.; Michaux, Christian

doi:10.1007/bf02162655

Cited by 10 publications

(3 citation statements)

References 3 publications

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“…For LaCl 3 and Cs 2 UCl 6 , solutions of at least 0.05 mol L -1 can be prepared in ethylammonium nitrate at 25 °C . The tetravalent uranium in Cs 2 UCl 6 can be oxidized in this ionic liquid to uranyl by an oxygen flow: Upon addition of Li 2 O to these solutions, both La 2 O 3 and UO 3 precipitate.…”

Section: 2 Solubilitymentioning

confidence: 99%

“…The main purpose of reprocessing of the spent fuel elements is isolation of unburned 235 U and plutonium isotopes from fission products and from the higher actinides. The fission products 90 Sr and 137 Cs are major heat generators, and their removal from the spent nuclear fuel greatly simplifies the handling and treatment of the remaining nuclear waste. It is also possible to extract valuable byproducts (e.g., americium isotopes) from the highly radioactive waste by the reprocessing process.…”

Section: Treatment Of Spent Nuclear Fuelmentioning

confidence: 99%

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Lanthanides and Actinides in Ionic Liquids

2007

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Koen Binnemans was born in Geel, Belgium, in 1970. He obtained his M. Sc. degree (1992) and Ph.D. degree (1996) in Chemistry at the Catholic University of Leuven, under the direction of Prof. C. Go ¨rller-Walrand. In the period 1999−2005, he was a postdoctoral fellow of the Fund for Scientific Research Flanders (Belgium). He did postdoctoral work with Prof. Jacques Lucas (Rennes, France) and Prof. Duncan W. Bruce (Exeter, U.K.). In 2000, he received the first ERES Junior Award (ERES, European Rare-Earth and Actinide Society). From 2002 until 2005, he was (parttime) associate professor. Presently, he is professor of chemistry at the Catholic University of Leuven. His current research interests are metalcontaining liquid crystals (metallomesogens), lanthanide-mediated organic reactions, lanthanide spectroscopy, supramolecular coordination chemistry, and ionic liquids.

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Section: 2 Solubilitymentioning

confidence: 99%

Section: Treatment Of Spent Nuclear Fuelmentioning

confidence: 99%

Lanthanides and Actinides in Ionic Liquids

2007

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“…In addition, Martinot et. al have reported the application of EAN as a useful solvent in the selective precipitation of uranium from lanthanum [14,15]. We have utilized the ionic properties of EAN and PAN to investigate their usefulness as solvents via electrochemical methods.…”

Section: Introductionmentioning

confidence: 99%

Electrochemical Investigation of the Solvolytic Properties of Ethylammonium Nitrate (EAN) and Propylammonium Nitrate (PAN)

Shotwell

Flowers

2000

Electroanalysis

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Ethylammonium nitrate (EAN) and propylammonium nitrate (PAN) are unique fused ionic media which have received relatively little attention despite their unusual physical and chemical properties. As a consequence very few applications for these media have been described in the literature. The utility of EAN and PAN as conductive solvents suitable for electrochemical analysis was examined by carrying out cyclic voltammetric analyses of ferrocene, ethylferrocene, and acetylferrocene dissolved in these molten media. Reversibility was observed for the ferrocene redox systems in EAN while those in PAN were not quite as well behaved. A comparison of the diffusion coef®cient of ferrocene in EAN and PAN employing both Stokes-Einstein values and values derived from chronocoulometry shows that diffusion is very slow and nearly ideal in these solvents.

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Heavy Elements in Ionic Liquids

Taubert

2009

Topics in Current Chemistry

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Heavy elements have in the recent past been studied extensively in the context of ionic liquids (ILs). This is because ILs have initially been thought of as "solve-it-all" problem solvers, from catalysis, to extraction, and inorganic and electrochemistry. In due course, it has been shown that ILs are indeed very versatile solvents and reaction media. As a consequence, many elements have been dissolved in ILs and their properties have been studied in IL solution. The current chapter focuses on the use of ILs for inorganic chemistry, in particular on what heavy elements have been studied in ILs, their properties and applications.

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Separation of uranium from lanthanum in molecular and ionic organic liquids

Cited by 10 publications

References 3 publications

Lanthanides and Actinides in Ionic Liquids

Lanthanides and Actinides in Ionic Liquids

Electrochemical Investigation of the Solvolytic Properties of Ethylammonium Nitrate (EAN) and Propylammonium Nitrate (PAN)

Heavy Elements in Ionic Liquids

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