Application of abnormal event detection technology to fluidized catalytic cracking unit
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United States of America Patent
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Jul 28, 2009
Grant Date -
Apr 6, 2006
app pub date -
Aug 26, 2005
filing date -
Sep 10, 2004
priority date (Note) -
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Abstract
The present invention is a method for detecting an abnormal event for process units of a Fluidized Catalytic Cracking Unit. The method compares the operation of the process units to a statistical and engineering models. The statistical models are developed by principle components analysis of the normal operation for these units. In addition, the engineering models are based on partial least squares analysis and correlation analysis between variables. If the difference between the operation of a process unit and the normal model result indicates an abnormal condition, then the cause of the abnormal condition is determined and corrected.
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