FCCU ADVANCED CONTROLS INCREASE FEED RATE AND COLUMN STABILITY

Gareth Rowlands Conoco U.K. Ltd. Humberside, England Aydin Konuk, Frank Kleinschrodt Setpoint Inc. Houston The application of advanced process controls to the fluid catalytic cracking unit (FCCU) at Conoco U.K. Ltd.'s Humber refinery boosted the unit feed rate, reduced flooding, and stabilized the column. This article reports on the system's performance over a full year of operation on the FCCU's vapor recovery unit, main fractionator, and reactor/regenerator.

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