February 2005

Special Report: Clean Fuels

Consider using new technology to improve FCC unit reliability

In this revamp project, installing new equipment increased throughput with the added bonus of greater mechanical integrity for the unit

Dries, I. H., Muller, F., Willbourne, P., Shell Global Solutions International BV; Fum, M., Shell Eastern Petroleum Pte Ltd.; Williams, C. P., Shell Global Solutions

Refiners constantly fine-tune existing units to improve operability and increase equipment availability; thus increasing profitability. Often, existing units are retrofitted and modernized several times during their service life. The Shell Pulau Bukom Refinery had retrofitted its existing fluid catalytic cracking (FCC) several times. However, due to changing fuel specifications, the refinery had to consider applying new technologies to remain competitive in the fuels market. This project used a holistic approach to attain greater flexibility to process challenging feedstocks into clean fuels. New developments such as feed injectors, riser internals, reactor separation system and stripp

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