Ozone regeneration of platinum, and polymetallic platinum reforming catalysts
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United States of America Patent
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Feb 2, 1993
Grant Date -
N/A
app pub date -
Mar 11, 1991
filing date -
Mar 11, 1991
priority date (Note) -
Expired
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Abstract
A process for the regeneration of a coked platinum, or polymetallic platinum reforming catalyst with ozone. The coked catalyst is contacted, and carbon burned from the catalyst at temperatures ranging from about 20.degree. C. to 200.degree. C., preferably about 60.degree. C. to 150.degree. C., with a gaseous stream containing ozone in concentration ranging from about 1 to 50 volume percent ozone sufficient to substantially deplete said catalyst of sufficient carbon to restore the activity of the catalyst to that of the corresponding fresh catalyst.
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