Process for recovering gold
AssigneeGTE Products Corporation
InventorsClarence D. Vanderpool, Brice E. Martin, Richard G. W. Gingerich
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Abstract
Gold is recovered from a material including gold and molybdenum or tungsten by contacting the material with an aqueous solution of hydrogen iodide and iodine to solubilize the gold without solubilizing the molybdenum or tungsten and recovering the gold from the solution.
Claims8
A process for recovery of gold from material including gold and molybdenum or tungsten comprising contacting said material with an aqueous solution consisting essentially of hydrogen iodide and iodine and water, said iodine being present at a desired concentration and an amount sufficient to solubilize a major portion of said gold and leaving molybdenum or tungsten said hydrogen iodide being present in an amount sufficient to provide for increased solubility of said iodine at said desired concentration.
Dependencies are inferred from the claim text.