C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/16 (2006.01)
Patent
CA 2055484
A process is disclosed for the two-phase extraction of metal ions from phases containing solid metal oxides, which is characterized in that the solid metal oxides are brought into contact with a hydroxamic acid, known per se, dissolved in a hydrophobic organic solvent, the phases containing the solid metal oxides and the organic phase are intensively intermixed over a sufficient contact time, after phase-splitting, the organic phase is separated and the metal ions are re-extracted from the organic phase in a manner known per se and processed. The extracting agent used therein and the use of this extracting agent are also disclosed.
Kehl Ralf
Schwab Werner
Borden Ladner Gervais Llp
Henkel Kommanditgesellschaft Auf Aktien
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