Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul J. Marcantonio0
Date of Patent
June 15, 2010
0Patent Application Number
123457980
Date Filed
December 30, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The process of this invention is directed to the removal of metals from an unsupported spent catalyst. The catalyst is subjected to leaching reactions. Vanadium is removed as a precipitate, while a solution comprising molybdenum and nickel is subjected to further extraction steps for the removal of these metals. Molybdenum may alternately be removed through precipitation.
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