A process for extraction of uranium

Details A process for extraction of uranium A process for extraction of uranium

C - Chemistry, Metallurgy

22

B

C22B 3/04 (2006.01) C22B 60/02 (2006.01)

Patent

CA 2213628

A process for the extraction of uranium from a uranium containing material by a leaching process which is catalysed by a catalytic agent. In a process where dissolution of a uranium mineral present in the material occurs due to action of ferric ions on the uranium bearing material, ferric ions, and a desired ratio of ferric to ferrous ions, is generated by catalysed oxidation of ferrous ions formed during acid attack on the mineral.

Un procédé permet d'extraire de l'uranium d'un matériau qui en contient, par un processus de lixiviation catalysé par un agent catalytique. Dans un procédé où la dissolution d'un minerai d'uranium présent dans ce matériau survient grâce à l'action d'ions ferriques sur ce dernier, ces ions ferriques, et le rapport souhaité d'ions ferriques aux ions ferreux, s'obtiennent par l'oxydation catalysée d'ions ferreux formés pendant l'attaque de ce matériau par l'acide.

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