Process for improving the effectiveness of process catalyst
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United States of America Patent
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Jul 15, 1997
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N/A
app pub date -
May 24, 1996
filing date -
Jun 1, 1994
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Expired
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Abstract
This invention relates to a process for improving the effectiveness of a refinery process catalyst. The process comprises treating the refinery process catalyst with an effective amount of reducing agent selected from the group consisting of hydrazine, oximes, hydroxylamines, carbohydrazide, erythorbic acid, and mixtures thereof.
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