Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ahmad Ghahremaninezhad Gharelar0
Yeonuk Choi0
Date of Patent
December 25, 2018
Patent Application Number
14287889
Date Filed
May 27, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
The disclosure relates to pre-treatment of precious metal-bearing oxide ores, prior to precious metal leaching by thiosulfate. The process comprises mixing oxide ore in oxygenated water in the presence of a carbon-based material (e.g., activated carbon or other type of carbon). The carbon-based material can be separated from the ore slurry, and, the gold is thereafter leached by a thiosulfate lixiviant.
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