Leaching of ni-cu-fe-s matte

Details Leaching of ni-cu-fe-s matte Leaching of ni-cu-fe-s matte

C - Chemistry, Metallurgy

22

B

53/304

C22B 15/00 (2006.01)

Patent

CA 1101679

LEACHING OF Ni-Cu-Fe-S MATTE Abstract of Disclosure Nickel is selectively leached efficiently and rapidly from Ni-Cu-Fe-S matte under oxidizing conditions at ordinary pres- sure by controlling in combination the following variables: (1) the acid-to-copper mole ratio in the leaching solution, (2) the temperature, and (3) the sulfur content of the matte, whereby an enriched nickel solution is obtained low in copper and iron.

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