Process and device for recovery of metal oxides

Details Process and device for recovery of metal oxides Process and device for recovery of metal oxides

C - Chemistry, Metallurgy

22

B

C22B 3/00 (2006.01) C01B 13/18 (2006.01) C01B 13/34 (2006.01) C01G 1/02 (2006.01) C01G 49/06 (2006.01) C22B 1/02 (2006.01) C23G 1/36 (2006.01) F26B 3/12 (2006.01)

Patent

CA 2380136

The invention relates to a process for recovery of metal oxides from metallic salts in solutions containing these metals, preferably also extracting or recovering the acids, comprising spray roasting of these solutions. It is mainly characterised by spray roasting being performed in at least two stages, where at least one evaporation stage follows at least one conversion stage. In addition, the invention relates to a device for implementing the process.

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