Catalyst cooling processes utilizing steam superheating
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United States of America Patent
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Oct 6, 2009
Grant Date -
Jun 22, 2006
app pub date -
Feb 3, 2005
filing date -
Dec 22, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention provides processes, systems and devices for cooling catalyst, preferably regenerated catalyst, by superheating steam and boiling water. The inventive process advantageously provides ideal cooling conditions while ensuring minimal hydrothermal deactivation of the catalyst during the cooling process. The invention is particularly well-suited for cooling catalyst in an oxygenate to olefins reaction system.
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