Process for separating hafnium and zirconium

Title

Process for separating hafnium and zirconium

 Author

Xiao, Y.
Van Sandwijk, A.

Faculty

Mechanical, Maritime and Materials Engineering

 Department

Materials Science and Engineering

 Date

2010-11-18

 Abstract

The invention is directed to a process for separating a mixture comprising hafnium and zirconium. The process of the present invention comprises a step in which a molten metal phase comprising zirconium and hafnium dissolved in a first metal M1 and a second metal M2 is contacted with a molten salt phase comprising at least one metal halide M3Z, wherein M3 is a metal that is less electropositive than zirconium and hafnium, and at least one salt of one or more metals M4, wherein M4 is a metal from Group 1 or Group 2 of the Periodic Table, whereby at least part of said hafnium is transported from said molten metal phase to said molten salt phase.

 To reference this document use:

http://resolver.tudelft.nl/uuid:41444654-d828-41a2-a8cd-45b78f61fdd5

 Publisher

European Patent Office

 Source

http://v3.espacenet.com/publicationDetails/biblio?CC=WO&NR=2010131970A1&KC=A1&FT=D&date=20101118&DB=EPODOC&locale=en_ep

 Source

WO 2010131970 (A1)

 Part of collection

Institutional Repository

 Document type

patent

 Rights

(c) 2010 Xiao, Y.; Van Sandwijk, A.
Files
PDF WO2010131970A1.pdf 1.11 MB
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