Process for restoring deactivated catalysts
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United States of America Patent
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Jun 26, 1990
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N/A
app pub date -
Oct 12, 1988
filing date -
Nov 13, 1987
priority date (Note) -
Expired
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Abstract
A process for restoring deactivated catalysts containing zeolite with a noble metal of Group VIII of the Periodic Table and to be used in the production of aromatic compounds, wherein decoking of the deactivated catalysts is carried out in the presence of halogen or a halogen-containing compound. This restoration process permits effective restoration of deactivated catalysts and thus is expected to be employed in the fields of petroleum purification, petrochemistry and so forth.
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