September 2010

Special Report: Refining Developments

20 questions: Identify probable causes for high FCC catalyst loss

Here is a list to troubleshoot your catalyst problems

Fluid catalytic cracking unit (FCCU) performance and reliability are the primary drivers of refinery economics. Containment of the finely powdered catalyst within the circulating FCC unit inventory is a critical element of effective FCC operation. Identifying the probable causes of high catalyst losses from a FCCU remains one of the more important yet esoteric challenges that can be faced by FCC operators and engineers. The answers to 20 key questions provide a basis to list the more likely causes of high losses. Armed with this list, a refiner can develop cost-effective mitigation strategies to relieve, if not solve, the problem online or be prepared to confirm and correct the situation dur

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