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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 Leaching, Washing, Or DissolvingLeaching, Washing, Or Dissolving 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.02/15/07 - 20070036699 - Method of extracting contaminants from solid matter An environmentally benign process for remediating contaminated matter includes contact with a lixiviant. The lixiviant contains a chelating agent which chemically reacts with a selected contaminant, forming a chelate soluble within the lixiviant and thus extracting the selected contaminant from the matter. The lixiviant, including the chelate, is separated from ... 04/27/06 - 20060088458 - Method for metal heap and dump leaching coupled with metal solvent extraction The disclosed invention provides a process for enhanced recovery of one or more metal values from heap and/or dump leaching of ores containing the metal values, the process comprising: (a) providing a high grade leach solution obtained by heap or dump leaching of fresh high grade ore containing a first ... ### FreshPatents.com Support |