| 摘要 |
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.
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