Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gary Donald Johnson0
Date of Patent
May 11, 2010
0Patent Application Number
121486000
Date Filed
April 21, 2008
0Patent Primary Examiner
Patent abstract
A process for the oxidative leaching of sulphide mineral species, the method characterized by the method steps of: leaching a slurry containing the mineral species in one or more reaction vessels; circulating a stream of leach liquor to a flash cooler; flashing the liquor in the flash cooler at a pressure less than atmospheric pressure so as to dissipate heat; and recirculating the liquor to the or each reaction vessel.
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