Recovery of uranium from material containing iron, arsenic and siliceous matter
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United States of America Patent
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Sep 27, 1983
Grant Date -
N/A
app pub date -
Oct 1, 1980
filing date -
Aug 22, 1980
priority date (Note) -
Expired
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Abstract
A process for the recovery of uranium values from uranium-containing material which also contains iron, arsenic and siliceous matter, includes leaching the uranium-containing material in aqueous sulphuric acid solution under conditions to provide dissolved iron present in the resultant leach solution as predominantly ferrous iron rather than ferric iron and/or to provide a sulphuric acid concentration in the leach solution sufficiently high to substantially prevent the precipitation of arsenates. Uranium values are recovered from the leach solution by solvent extraction agent which has little affinity for arsenic.
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