Nontraditional optimization for isom unit improves profits

Hans Besl, Wilfried KossmanBayernoil Raffineriegesellschaft mbhIngolstadt, Germany Thomas J. Crowe, Mike CaracotsiosUOPDes Plaines, Ill. A real-time, closed-loop optimization of the Penex process for light-naphtha isomerization was implemented at Bayernoil's (formerly Raffineriegesellschaft Vohburg/Ingolstadt GmbH) Ingolstadt, Germany, refinery in July 1996. Bayernoil is a joint venture of British Petroleum Co. plc, Mobil Oi Corp., Ruhr Öl GmbH, and Agip Petroli SpA. This UOP project demonstrates the concept of using steady-state models to optimize a nonsteady-state unit. This approach adds value to processes characterized by large time constants relative...

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