Hydrometallurgical process for the treatment of oxides and...

Details Hydrometallurgical process for the treatment of oxides and... Hydrometallurgical process for the treatment of oxides and...

C - Chemistry, Metallurgy

21

B

53/372

C21B 15/00 (2006.01) C22B 3/00 (2006.01) C22B 3/08 (2006.01) C22B 3/22 (2006.01)

Patent

CA 1112880

ABSTRACT OF THE DISCLOSURE A hydrometallurgical process for the treatment of a raw material which contains iron and other metals, with a sulfuric acid solu- tion, in order to dissolve the metals and to precipitate and separate the iron, the separated metal sulfate solution being exposed to evaporation in order to crystallize and separate the metal sulfates from the mother liquor, which is recycled to the treatment stage performed with sulfuric acid solution, and the separated metal sulfate being recovered.

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