Conoco successfully uses team approach for FCC revamp

Based on a presentation to the NPRA Annual Meeting, Mar. 17-19, 2002, San Antonio.Conoco Inc. successfully implemented a major, innovative project to address catalyst circulation and improve yields from an FCC unit at its Lake Charles, La., refinery. A key component was adding an external spent-catalyst stripper to reduce the load on the existing internal stripper.Conoco also replaced the regenerated catalyst plug valve and regenerated catalyst J-bend standpipe with a cold-wall wye section and UOP LLC's elevated Optimix feed distribution system. The project improved FCC catalyst circulation, resulted in increased conversion, and improved yield selectivity while providing flexibility t...

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