Solvent extraction process
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United States of America Patent
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Jun 27, 2017
Grant Date -
Aug 27, 2015
app pub date -
Sep 13, 2013
filing date -
Sep 13, 2012
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Abstract
A process for extracting uranium from an acidic uranium, chloride, iron and sulphate containing solution, including the steps: a. contacting the solution with an organic phase containing a trialkylphosphine oxide to form a uranium loaded organic phase; b. scrubbing the uranium loaded organic phase to remove any impurities and form a scrubbed organic phase; c. stripping the scrubbed organic phase with an acidic sulphate solution to produce an aqueous uranium strip solution; and precipitating a uranium product from the aqueous uranium strip solution.
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