Production of copper sulphate solution from a bed of...

Details Production of copper sulphate solution from a bed of... Production of copper sulphate solution from a bed of...

C - Chemistry, Metallurgy

22

B

53/289, 23/412

C22B 15/00 (2006.01) C01G 3/10 (2006.01) C22B 3/02 (2006.01) C22B 3/08 (2006.01)

Patent

CA 1210592

-10- ABSTRACT OF THE DISCLOSURE A process and an apparatus for leaching of a bed of metallic copper particles containing insoluble material is disclosed. The apparatus comprises a vertical reactor having an inlet portion at the bottom of smaller cross- sectional area than the reactor itself. The process comprises flowing a copper sulphate solution upwardly through the inlet portion of said reactor at a velocity such as to cause fluidization of the copper particles and the insoluble material contained in the inlet portion of the reactor only, and withdrawing the insoluble material and some copper particles together with some solution, from the inlet portion of the reactor to prevent the accu- mulation of insoluble material in the reactor.

439206

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