High temperature neutralization of laterite leach slurry

Details High temperature neutralization of laterite leach slurry High temperature neutralization of laterite leach slurry

C - Chemistry, Metallurgy

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B

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C22B 23/02 (2006.01) C01G 51/10 (2006.01) C01G 53/10 (2006.01) C22B 3/00 (2006.01) C22B 23/00 (2006.01)

Patent

CA 1050280

HIGH TEMPERATURE NEUTRALIZATION OF LATERITE LEACH SLURRY Abstract of Disclosure The pregnant solution obtained from high pressure and high temperature leaching of nickel-cobalt bearing low magnesium oxidic ores is neutralized at high temperature and pressure by coordinating the leaching of the low magnesium ores with the leaching of nickel-cobalt bearing high magnesium ores, the leach slurry from said low magnesium ore being neu- tralized by mixing it with said high magnesium ore which is simultaneously leached with said solution to produce a final pregnant solution from which metal values are subsequently re- covered.

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