Uda, Tetsuya and Jacob, Thomas K and Hirasawa, Masahiro (2000) Technique for Enhanced Rare Earth Separation. In: Science, 289 (5488). pp. 2326-2329.
A process is demonstrated for the efficient separation of rare earth elements, using a combination of selective reduction and vacuum distillation of halides. The large differences in the redox chemistry of the rare earth elements and in the vapor pressures of rare earth di- and trihalides are exploited for separation. Experimental proof of concept is provided for the binary systems praseodymium-neodymium and neodymium-samarium. This process enhances the separation factor for the isolation of samarium and neodymium from their mixture by more than an order of magnitude.
|Item Type:||Journal Article|
|Keywords:||rare earth;separation;vacuum distillation;selective reduction;halides|
|Department/Centre:||Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)|
|Date Deposited:||08 Jun 2004|
|Last Modified:||19 Sep 2010 04:12|
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