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Chemistry Of Inorganic Compounds > Treating Mixture To Obtain Metal Containing Compound > Group Ib Metal (cu, Ag, Or Au) > Leaching, Washing, Or Dissolving > Forming Insoluble Substance In Liquid Forming Insoluble Substance In LiquidForming Insoluble Substance In Liquid patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.05/03/07 - 20070098609 - Hydrometallurgical process for the treatment of metal-bearing sulfide mineral concentrates A hydrometallurgical process for the treatment of complex silver-bearing sulfide ores and concentrates that recovers substantially all silver, lead, antimony, zinc, copper and sulfur, along with the chemical reagents utilized during the process. Finely ground ores and concentrates are leached under heat and pressure with water, sulfuric acid, nitric acid, ... 01/05/06 - 20060002834 - Processing of acid-consuming mineral materials involving treatment with acidic biooxidation effluent In one aspect the present invention provides a method of recovering gold from each of at least two different refractory gold-bearing sulfidic mineral materials. A first mineral material is subjected to biooxidation pretreatment to release gold locked within sulfide minerals. The biooxidation produces an acidic biooxidation liquor effluent that contains ... ### FreshPatents.com Support |