Method of removing and replacing catalyst in a multi-reactor cascade configuration
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United States of America Patent
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Apr 25, 2006
Grant Date -
Apr 8, 2004
app pub date -
Oct 4, 2002
filing date -
Oct 4, 2002
priority date (Note) -
Expired
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Abstract
A defined catalyst withdrawal and replacement program for optimizing the productivity and the economics of catalyst consumption in a multi-reactor system is disclosed. Catalyst cost is reduced by minimizing removal of the newest catalyst and maximizing removal of older catalyst to achieve an overall reduction of catalyst age in the multi-reactor system.
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