September 2004


Improve FCC yields to meet changing environment – Part 1

Consider new technologies that reduce gas make while minimizing product losses from catalytic cracking operations

Optimizing a fluid catalytic cracking (FCC) unit requires balancing many operating variables. Likewise, refiners must also operate within certain limits when it comes to process manipulation. These limits include feedstock quality, equipment capacity, system design and environmental constraints. Over the past 20 years, FCC technology has significantly improved with regard to catalysts, equipment and process design. Catalyst companies have not only advanced basic catalyst design, but have developed emission and yield selective additives. Technology licensors continue to make advancements in feed distribution systems, riser termination devices and spent catalyst stripping. Each developme

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