June 2021
Catalysts
Understanding HCN in FCC: Formation, effects and mitigating options
In these challenging times, fluidized catalytic cracking units (FCCUs) aim to improve margins by processing poorer- or different-quality feeds, while maintaining good yield performance.
The Authors
Stefano Riva is BASF’s Europe/Middle East/Africa (EMEA) Technical Service Manager. He has 30 yr of experience in the refining industry. After graduating in chemical engineering at the Polytechnic University of Milan, he joined ExxonMobil, where he served for 8 yr in the FCC area. In 2002 he joined BASF, where he gained further FCC catalyst experience and now supports customers with FCC optimization and troubleshooting.
Steve Challis is a UK-based consultant at Chalcat Consulting Ltd. with more than 30 yr of FCC process experience, including unit design, operations optimization, troubleshooting, incident investigation, turnaround and startup support, and engineer/operator training. Mr. Challis worked with ExxonMobil for more than 20 yr as a process specialist. Since 2009, he has acted as an independent FCC Process Consultant. Mr. Challis graduated from the Imperial College of London with an MSc degree in advanced chemical engineering.
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