Bathtub-type spent catalyst distributor for effective counter-current regeneration in fluid catalytic cracking units
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United States of America Patent
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May 31, 2011
Grant Date -
Jun 17, 2010
app pub date -
Feb 18, 2010
filing date -
Mar 9, 2007
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Abstract
An improved spent catalyst regenerator which contains sub-troughs branching off from the main trough, distribution troughs which extend outward from the sides of the main trough and the sub-troughs, and downflow tubes extending downward from the bottom of the main trough and sub-troughs.
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