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Benefits and Challenges of Filter Cleaning in rFCCU and FCCU Processing Applications

Facilitator: Sue L. Reynolds, VP Technology, Carolina Filters, Inc. and Patrick Hill, Manager, Mott Corporation’s Field Engineering Department.


Carolina Filters, Inc.

Essential to re-using metal filters is understanding cleaning methods for removing asphaltenes, organics, and inorganic catalysts fines/sulfur from metal filters, along with, testing methods that quantify the media cleanliness. Bringing the filter media matrix back to a ‘like new’ condition will minimize or eliminate the typical issues related to inadequate cleaning. Effective cleaning & testing will also reduce costs associated with spare filter inventory purchases, along with, the economics of optimizing on-stream life and minimizing unplanned shutdowns.

Information from Case Studies noting improved on-line performance resulting in increased production with cost savings will be provided.

This presentation provides information on the challenges and benefits of filter cleaning in FCCU & rFCCU applications.

Various forms of filtration are used in oil refining applications. Typical issues related to inadequate cleaning in Fluid Catalytic Cracking are;

To recover metal filters by cleaning, consideration must be given to the following:

Carolina Filters

Since 1968, Carolina Filters has continually developed technologies and processes to support the world’s metallic filtration cleaning challenges. From our beginnings supporting polyester fiber to the wide range of industries we serve today, Carolina Filters remains committed to technical expertise and engineering the best solutions.

Sue L. Reynolds has been with Carolina Filters for 30 years. During that time, she has worked in all aspects of the cleaning operation with major duties involving process development, procedures, and working with customers in Technical Sales. She has BA in Chemistry from Winthrop University and a Masters in Mathematics from the University of South Carolina. She has published several papers and articles with groups such as the American Filtration & Separations Society that cover various aspects of cleaning & testing. In her spare time, she loves to scuba dive with husband and friends.

Patrick Hill is a Mechanical Engineer and the Manager for Mott Corporation’s Field Engineering Department.  Patrick is responsible for designing, building, commissioning, and supporting liquid process filtrations systems like those used to filter FCC/RFCC slurry oil throughout the world.  He enjoys the opportunity to educate fellow industry professionals on the advantages of advanced porous metal filtration systems and importance of cleaning and revalidation of filter elements.

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Posted by: Evan Hyde

Evan Hyde is the director of field services for He previously was president of C2 Nano Technology where they researched surface treatments to combat fouling & corrosion issues in cokers & other petrochemical process units. He was a Senior Engineering Advisor for Becht Engineering Co., Inc. and has consulted on processing improvement and reliability initiatives for coking clients around the world. Prior to joining Becht, Evan worked for ExxonMobil Research and Engineering, as a process engineer, with assignments in research, and troubleshooting for heavy oil upgrading equipment. He holds a B.S. of Chemical Engineering from Pennsylvania State University.

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