Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David Dreisinger0
Graham Pratt0
Kenneth Gordon Baxter0
Date of Patent
September 21, 2010
0Patent Application Number
105785330
Date Filed
November 3, 2004
0Patent Primary Examiner
Patent abstract
There is provided a method for leach extraction of copper/iron/sulphur ores and concentrates including leaching the mineral with an aqueous stream containing ferric ions and sulphuric acid in the presence of oxygen, the aqueous stream including a solution formed by reaction of basic ferric sulphate with excess suphuric acid. Integrated methods of forming and releaching basic ferric sulphate are also described.
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