Recovery of indium by solvent extraction using trialkylphosphine

Details Recovery of indium by solvent extraction using trialkylphosphine Recovery of indium by solvent extraction using trialkylphosphine

1993-06-29

1994-09-06

Dawson, Robert A.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210634, 423112, B01D 1504

Patent

active

053445678

ABSTRACT:
This invention relates to a process for the recovery of indium from aqueous acid solutions. More particularly, it concerns the use of a combination of a dialkyl phosphoric acid and a mixture of trialkyl phosphine oxides to extract indium from acidic sulphate leach liquors.

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