C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/24 (2006.01) B01D 15/08 (2006.01) B01J 20/26 (2006.01) C22B 11/00 (2006.01)
Patent
CA 2314697
The present invention relates to methods and apparatus for the interseparation of platinum group metals. In particular, the invention allows for the first time a clear separation of the insoluble metals rhodium, iridium and ruthenium from one another and from platinum, in addition to other platinum group metals, using gel chromatography and control of the oxidation state of the platinum group metals.
La présente invention concerne des procédés et des appareils permettant la interséparation des métaux du groupe platine. En particulier, cette invention permet pour la première fois une séparation claire de métaux insolubles comme le rhodium, l'iridium et le ruthénium, les uns des autres et du platine, ainsi que d'autres métaux du groupe platine, en utilisant la chromatographie sur gel et le contrôle de l'état d'oxydation du groupe de métaux du platine.
Anglo American Platinum Corporation Limited
Ridout & Maybee Llp
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