Patents Assigned to PRECIOUS METALS RECOVERY PTY LTD
  • SMELTING METHOD
    Publication number: 20120144959
    Abstract: A method of recovering gold from a gold containing source material comprising: forming a molten pool comprising at least one metal selected from the group consisting of copper, silver, gold and platinum group metals; and adding at least part of the source material into the molten pool of metal.
    Type: Application
    Filed: July 1, 2010
    Publication date: June 14, 2012
    Applicant: PRECIOUS METALS RECOVERY PTY LTD
    Inventor: Dean Robert Butler
  • ENHANCED RECOVERY OF GOLD
    Publication number: 20120090433
    Abstract: An improved method for recovering refractory gold from a material comprising treating the material to at least partially remove nitric acid-insoluble lead moieties.
    Type: Application
    Filed: April 23, 2010
    Publication date: April 19, 2012
    Applicant: PRECIOUS METALS RECOVERY PTY LTD
    Inventor: Dean R. Butler
  • METHOD FOR PROCESSING PRECIOUS METAL SOURCE MATERIALS
    Publication number: 20120067169
    Abstract: A method is disclosed for recovering precious metals from source materials containing precious metals which involves leaching the source material in aqueous reducing liquor to provide a treated solid residue and processing the treated residue to recover precious metals.
    Type: Application
    Filed: April 23, 2010
    Publication date: March 22, 2012
    Applicant: PRECIOUS METALS RECOVERY PTY LTD
    Inventor: Dean R. Butler
  • EXTRACTION OF GOLD FROM CATHODE ASSOCIATED GOLD CONCENTRATES
    Publication number: 20120067170
    Abstract: The invention involves a method for recovering gold from a gold concentrate comprising: dissolving gold from the concentrate in an aqueous liquor to provide a gold liquor; subjecting the gold liquor to electrolysis in an electrowinning cell to provide cathode-associated gold material; leaching the cathode associated gold material in an aqueous liquor under reducing conditions to provide a treated solid residue; and smelting the treated solid residue to recover gold.
    Type: Application
    Filed: April 23, 2010
    Publication date: March 22, 2012
    Applicant: PRECIOUS METALS RECOVERY PTY LTD
    Inventor: Dean R. BUTLER