Solvent extraction process for the removal of iron (iii)...

Details Solvent extraction process for the removal of iron (iii)... Solvent extraction process for the removal of iron (iii)...

C - Chemistry, Metallurgy

21

B

53/22, 53/375

C21B 15/00 (2006.01) C22B 3/38 (2006.01)

Patent

CA 1148367

28,201 TITLE: SOLVENT EXTRACTION PROCESS FOR THE REMOVAL OF IRON (III) FROM LEACH LIQUORS ABSTRACT OF THE DISCLOSURE Iron (III) bearing leach liquors may be treated with an extraction solvent comprising an organophosphoric acid, a trialkyl phosphine oxide and a water-immiscible organic diluent to separate the iron (III) from the leach liquor. The iron (III) loaded extraction solvent may sub- sequently be treated with a strong mineral acid to recover the iron (III). as a water-soluble salt.

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