C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 15/00 (2006.01) C07C 233/00 (2006.01) C07C 249/00 (2006.01) C07C 261/00 (2006.01) C07C 275/00 (2006.01) C22B 3/30 (2006.01)
Patent
CA 2326806
Alternative equilibrium modifiers for use with aldoxime extractants, such as hydroxyl aryl aldoxime extractants, employed in the process for extraction of metal values, particularly copper values, in the extraction from aqueous solutions, in which the extractant and modifiers are employed in an organic solvent phase, the solvent being a water insoluble, water immiscible hydrocarbon solvent, such as a kerosene.
La présente invention concerne de nouveaux modificateurs d'équilibre à utiliser avec des agents d'extraction de type aldoxime, tels que l'hydroxyl aryl aldoxyme, pour l'extraction de métaux, en particulier du cuivre, à partir de solutions aqueuses dans lesquelles l'agent extracteur et le modificateur interviennent en présence d'un solvant organique, ledit solvant, du kérosène par exemple, étant insoluble dans l'eau et immiscible à l'eau.
Krbechek Leroy O.
Mackenzie J. Murdoch
Mattison Phillip L.
Virnig Michael J.
Cognis Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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