Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chen Xia0
Wan-Tai Yen0
Date of Patent
July 26, 2011
0Patent Application Number
122815680
Date Filed
March 5, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A process for extracting gold from a gold-bearing ore. The process includes, first, providing a leaching liquor with thiosulfate anion and ethylenediamine. Next, the leaching liquor is contacted with the gold-bearing ore to form a pregnant leach solution including gold dissolved from the gold-bearing ore. Finally, at least part of the gold in the pregnant leach solution is recovered.
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