Separation of Hf(IV)–Zr(IV) in H2SO4 solutions using solvent extraction with D2EHPA or Cyanex 272 at different reagent and metal ion concentrations

In order to produce nuclear reactor grade zircon metal from zircon sand, it is important to develop a process that can selectively extract Hf(IV) over Zr(IV). To this end, the extraction and separation from sulfuric acid solutions (2–6M) of both of these metal ions were investigated with respect to...

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Veröffentlicht in:	Hydrometallurgy 2015-02, Vol.152, p.84-90
Hauptverfasser:	Lee, Man Seung, Banda, Raju, Min, Soo Hwan
Format:	Artikel
Sprache:	eng
Schlagworte:	Cyanex 272 D2EHPA Hafnium Hydrometallurgy Ion concentration Metal ions Nuclear reactors Sand Selective extraction Separation Solvent extraction Sulfuric acid Zircon Zirconium
Online-Zugang:	Volltext
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