Process for leaching raw sea nodules

Details Process for leaching raw sea nodules Process for leaching raw sea nodules

C - Chemistry, Metallurgy

22

B

53/370

C22B 3/00 (2006.01) C01G 45/00 (2006.01) C22B 47/00 (2006.01)

Patent

CA 1060219

ABSTRACT OF THE DISCLOSURE A process for extracting metal values from sea nodules, is provided in which nickel, cobalt and copper values are selectively extracted by leaching raw sea nodules in an aqueous ammoniacal medium in the presence of a reducing agent for tetravalent manganese and carbonate to precipitate the reduced manganese as manganous carbonate.

222914

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