METHOD AND MEANS FOR USING MICROWAVE ENERGY TO OXIDIZE SULFIDIC COPPER ORE INTO A PRESCRIBED OXIDE-SULFATE PRODUCT
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United States of America Patent
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Issued Date -
May 22, 2008
app pub date -
Sep 20, 2007
filing date -
Sep 20, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention is directed to the microwave treatment of a class of selected metal ores and concentrates, particularly those known as chalcopyrite, in a fluidized bed reactor. The end product is commonly a mixture of copper oxide and copper sulfate, both of which are liquid soluble and directly recoverable by known techniques. The ratio of the oxide-sulfate mixture end product may be controlled by suitable control of microwave parameters.
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