Study of neodymium extraction in molten fluorides by electrochemical co-reduction with aluminium
作者： M. Gibilaro , L. Massot , P. Chamelot , P. Taxil
DOI: 10.1016/J.JNUCMAT.2008.09.004
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摘要: Abstract This work describes the co-deposition process of Al–Nd alloys in LiF–CaF2 medium (79–21% mol) on tungsten electrode at 860 °C using electrochemical techniques: cyclic and square wave voltammetries potentiostatic electrolyses. Specific peaks formation were observed voltammograms between reduction waves Nd(III) Al(III), a fluoride melt containing neodymium aluminium ions. The potential difference measured solvent should allow expecting an extraction efficiency 99.99% by use co-reduction process. intermetallic compounds (Al11Nd3, Al3Nd, AlNd2 AlNd3) obtained characterised Scanning Electron Microscopy with EDS probe. validity was tested carrying form alloy; more than 95%.
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