September 2007

Special Report: Refining Developments

Improve refinery margins with integrated planning and scheduling systems

Better communication between various refinery departments enables smoother site operations with increased throughput

Ishizuka, I. T., Ueki, O., Fuji Oil Co.; Okama, U., AspenTech Japan Co., Ltd.

Competition within the Japanese petroleum industry became excessive after deregulation in the 1990s. To counter this increasingly competitive situation and improve margins, Fuji Oil deployed an innovative optimization program for planning and scheduling activities. This case history discusses the two-phase program to stabilize the crude distillation unit (CDU) operation with downstream units. Background. Thirty refineries operate within Japan with a total crude processing capacity of about 4.8 million bpd. Capacity and total product demand is closely balanced. Almost all refined products are sold to the domestic market, although Japanese refineries occasionally import and export products b

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