Process for extracting gold from gold-bearing ore

Process for extracting gold from gold-bearing ore

  • CN 101,421,426 B
  • Filed: 03/05/2007
  • Issued: 05/27/2015
  • Est. Priority Date: 03/03/2006
  • Status: Active Grant
First Claim
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1. the method for Leaching of Gold from gold sulphide ores, its feature comprises:

  • A () provides the leach liquor containing thiosulfate anion and quadrol, wherein contain cupric ion in leach liquor;

    B () leach liquor is contacted with gold sulphide ores and output contains your liquid of the gold dissolved from gold sulphide ores;

    AndC gold that () dissolves is reclaimed at least in part from golden liquid.

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