NOx conversion catalyst rejuvenation process
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United States of America Patent
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Nov 19, 2002
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N/A
app pub date -
Aug 14, 2000
filing date -
Aug 14, 2000
priority date (Note) -
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Abstract
A method for cleaning and rejuvenating an at least partially spent de-NO.sub.x catalyst comprising a porous ceramic metal oxide material containing a vanadium oxide and coated on a metal support by cleaning the catalyst with an oxalic acid solution and by contacting the catalyst with a vanadium compound solution.
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