Process for extracting metal values from manganiferous ocean...

Details Process for extracting metal values from manganiferous ocean... Process for extracting metal values from manganiferous ocean...

C - Chemistry, Metallurgy

22

B

53/174, 53/371

C22B 3/00 (2006.01) C22B 15/00 (2006.01) C22B 47/00 (2006.01)

Patent

CA 1061568

ABSTRACT The invention relates to a cyclic process for extracting metal values, more particularly from menganiferous ocean floor nodules : A leach solution is produced by using recycled HCl and providing a demanganizing step by chloring. An oxygen-containing manganese com- pound is precipitated, which can be reduced to manganese metal.

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