Process for separating trivalent iron from an aqueous...

Details Process for separating trivalent iron from an aqueous... Process for separating trivalent iron from an aqueous...

C - Chemistry, Metallurgy

21

B

53/114

C21B 15/00 (2006.01) C22B 3/38 (2006.01) C22B 3/40 (2006.01)

Patent

CA 1141966

ABSTRACT OF THE DISCLOSURE A process for separating trivalent iron from an aqueous chloride solution, comprising: contacting the aqueous chloride solution with an organic phase containing an organophosphoric compound, as an extracting agent fox trivalent iron, and at least 40 per cent by volume of a long chain aliphatic alcohol; separating the iron-loaded organic phase from the aqueous chloride solution; and re-extracting the iron from the iron- loaded organic phase by contacting the latter with water or acidulated water so as to produce an aqueous iron chloride solution. Owing to the high alcohol content of the organic phase, iron can be re-extracted with a small amount of water.

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