| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 06.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Cu recovery process from aq ammoniacal soln - Contact Cu pregnant aq ammoniacal soln contg Cu values with organic soln comprised of insoluble beta-diketone Cu extractant dissolved in water-immiscible organic solvent to extract Cu values from aq soln into organic soln thereby for ming Cu pregnant organic phase & Cu barren aq phase - Separating aq & organic phases - Contact Cu pregnant organic phase with aq acidic stripping soln whereby Cu values are stripped from organic phase into aq acidic stripping soln - Separating said aq stripping soln, now contg Cu values from organic phase - Recovering Cu from aq acidic stripping soln Wherein stripping kinetics are improved by incorporating into or adding to diketone extractant, an hydroxy oxime in catalytic amount of 0.5 - 5 mole % rel. to diketone extractant |
| PATENT PHOTOCOPY | Available on request |
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