Hydrometallurgical process for the treatment of soluble...

Details Hydrometallurgical process for the treatment of soluble... Hydrometallurgical process for the treatment of soluble...

C - Chemistry, Metallurgy

22

B

53/369

C22B 7/00 (2006.01) C01B 33/12 (2006.01) C01G 9/06 (2006.01) C22B 1/00 (2006.01) C22B 3/00 (2006.01)

Patent

CA 1103939

HYDROMETALLURGICAL PROCESS FOR THE TREATMENT OF SOLUBLE SILICATE-BEARING MATERIALS ABSTRACT OF THE DISCLOSURE A hydrometallurgical process for the treatment of a soluble silicate-bearing material for the recovery of its valuable metal content by leaching the silicate-bearing material at an elevated temperature with an aqueous solution of a mineral acid, precipitating silicic acid during the same stage in an easily settling and filtering form, the silicate- bearing material being added at such a rate that its concentration calculated as SiO2 corresponds to the simultaneously precipitating silicic acid quantity, and by finally separating the solid material from the valuable-metal- bearing solution.

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