Selectively leaching cobalt from lateritic ores

Details Selectively leaching cobalt from lateritic ores Selectively leaching cobalt from lateritic ores

2011-08-02

2011-08-02

Mayes, Melvin (Department: 1732)

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group viib metal

C423S150100, C423S139000, C423S140000

Reexamination Certificate

active

07988938

ABSTRACT:
A heap leach process for the recovery of nickel and cobalt from a lateritic ore, said process including the steps of leaching and/or agglomerating the ore with a lixiviant that includes ferrous ions, wherein the lixiviant is able to liberate cobalt from the cobalt containing minerals within the ore in preference to nickel, to produce a cobalt rich pregnant leach solution relatively free of nickel.

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