The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 28, 2009
Filed:
Aug. 26, 2005
Kenneth F. Emigholz, Chevy Chase, MD (US);
Sourabh K. Dash, Beaumont, TX (US);
Stephen S. Woo, Markham, CA;
Kenneth F. Emigholz, Chevy Chase, MD (US);
Sourabh K. Dash, Beaumont, TX (US);
Stephen S. Woo, Markham, CA;
ExxonMobil Research and Engineering Company, Annandale, NJ (US);
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.