September 2006

Special Report: Refining Developments

Upgrade your furnace for clean fuels

Reliability and environmental issues were key goals for this revamp of an existing reforming unit

Friesen, T., Chevron; Patel, R., Onquest Inc.,

To meet the demand for CARB III gasoline requirements, Chevron decided to revamp the continuous catalytic reforming (CCR) unit at its El Segundo, California, refinery location. The project team defined the primary drivers: Capacity improvement. The feedrate was increased by more than 20%. Feedstock change. The feed source for this new capacity would come from straight-run naphtha, hydrotreated coker naphtha and hydrocracker naphtha. All of the available naphtha would be consumed to produce 99.5 (octane) C5+ reformate. Environmental. In anticipation of stricter environmental regulations, a target 5-ppmvd NOx outlet emission level was set. Reliability. The unit revamp was to tar

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