Extractant solvent restoration in the process for recovery...

Details Extractant solvent restoration in the process for recovery... Extractant solvent restoration in the process for recovery...

C - Chemistry, Metallurgy

22

B

53/214

C22B 60/02 (2006.01)

Patent

CA 1154267

13 47,665 ABSTRACT OF THE DISCLOSURE A process to restore solvent after the stripping step in recovering uranium from phosphoric acid, comprises passing stripped, water-immiscible organic extraction solvent, containing contaminants and having a lowered uranium extraction coefficient value, through a water scrub, to scrub contaminants from the organic solvent and raise its uranium extraction coefficient. The scrubbed solvent is then passed back to the extractor and the contaminated water is passed into at least one purifica- tion means and then back to the scrubber.

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