Zirconium behaviour during electrorefining of actinide-zirconium alloy in molten LiCl-KCl on aluminium cathodes
A pyrochemical electrorefining process for the recovery of actinides from metallic nuclear fuel based on actinide-zirconium alloys (An-Zr) in a molten salt is being investigated. In this process actinides are group-selectively recovered on solid aluminium cathodes as An-Al alloys using a LiCl-KCl eu...
Gespeichert in:
| Hauptverfasser: | , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2 February 2016
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| In: |
Journal of nuclear materials
Year: 2016, Jahrgang: 472, Pages: 99-104 |
| DOI: | 10.1016/j.jnucmat.2016.01.033 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.jnucmat.2016.01.033 Verlag, lizenzpflichtig, Volltext: http://www.sciencedirect.com/science/article/pii/S0022311516300356 
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| Verfasserangaben: | R. Meier, P. Souček, R. Malmbeck, M. Krachler, A. Rodrigues, B. Claux, J. -P. Glatz, and Th. Fanghänel |
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| 245 | 1 | 0 | |a Zirconium behaviour during electrorefining of actinide-zirconium alloy in molten LiCl-KCl on aluminium cathodes |c R. Meier, P. Souček, R. Malmbeck, M. Krachler, A. Rodrigues, B. Claux, J. -P. Glatz, and Th. Fanghänel |
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| 520 | |a A pyrochemical electrorefining process for the recovery of actinides from metallic nuclear fuel based on actinide-zirconium alloys (An-Zr) in a molten salt is being investigated. In this process actinides are group-selectively recovered on solid aluminium cathodes as An-Al alloys using a LiCl-KCl eutectic melt at a temperature of 450 °C. In the present study the electrochemical behaviour of zirconium during electrorefining was investigated. The maximum amount of actinides that can be oxidised without anodic co-dissolution of zirconium was determined at a selected constant cathodic current density. The experiment consisted of three steps to assess the different stages of the electrorefining process, each of which employing a fresh aluminium cathode. The results indicate that almost a complete dissolution of the actinides without co-dissolution of zirconium is possible under the applied experimental conditions. | ||
| 650 | 4 | |a Al cathode | |
| 650 | 4 | |a Electrorefining process | |
| 650 | 4 | |a LiCl-KCl molten salt | |
| 650 | 4 | |a Pyrochemical separation | |
| 650 | 4 | |a Recovery of actinides | |
| 650 | 4 | |a Treatment of spent nuclear fuel | |
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| 700 | 1 | |a Malmbeck, R. |e VerfasserIn |4 aut | |
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