September 2005

Special Report: Refining Developments

Fine-tune FCC operations for changing fuels market

New technology improves FCC performance and operational reliability

Anderson, L. R., Shaw stone & Webster; Gauthier, T., IFP; Ross, J., Axens North America; Roux, R., Axens

New process technologies can be applied to new and revamped units and enable refining complexes to meet the challenges of clean fuel requirements and shifting product demand. The flexible, low-cost FCC refinery conversion unit is adapting to increase its role as a clean petrochemicals producer to close a widening gap between propylene supply and demand. A new demonstrated riser separation system can achieve high product containment for maximum yield selectivity. Most importantly, it can achieve yield selectivity improvement and high separation efficiency with a robust design exhibiting very low catalyst carryover to the fractionator during steady-state, startup and upset conditions. MARK

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