Application of abnormal event detection technology to hydrocracking units
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United States of America Patent
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Aug 23, 2011
Grant Date -
Oct 4, 2007
app pub date -
Feb 23, 2007
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 hydrocracking unit. The method compares the operation of the process units to a model developed by principle components analysis of normal operation for these units. If the difference between the operation of a process unit and the normal operation indicates an abnormal condition, then the cause of the abnormal condition is determined and corrected.
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