Identification of Metal Contaminants on FCC Catalyst.

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Title Identification of Metal Contaminants on FCC Catalyst.
Author Whitcombe, Joshua Matthew; Agranovski, Igor E; Braddock, Roger David
Journal Name Particle & Particle Systems characterization: an international journal devoted to the measure and description of particle and bulk properties in dispersed systems
Year Published 2006
Place of publication Germany
Publisher Wiley - V C H Verlag Gmbh & Co. KGaA
Abstract FCC Catalyst deactivation is a major source of expense in the refining industry. Of concern is the deposition of contaminant metals onto the catalyst particles, leading to premature deactivation. Samples of used catalyst were collected from a working refinery using the standard sampling ports. These samples were subjected to surface examination by Scanning Electron Microscope, and to X-ray Micro Analysis to determine elementary composition of key metals. Particle mapping was conducted to obtain cross sectional composition of both used and fresh catalyst. It was found that metals preferentially deposit onto the outside of the catalyst particles, presumably causing premature de-activation to occur. Although the particles are found in a high attrition environment, the metal deposits formed a rough outer surface on the particle. Mild attrition of these particles was found to remove this outside layer of material and help to restore the original chemical make up of the particles surface. This work has shown how refineries can investigate metal deposition onto particles surfaces which will help them better manage FCCU catalyst usage.
Peer Reviewed Yes
Published Yes
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Copyright Statement Copyright 2006 John Wiley & Sons, Ltd. Self-archiving of the author-manuscript version is not yet supported by this publisher. Please refer to the journal link for access to the definitive, published version or contact the author for more information.
Volume 22
Page from 268
Page to 275
ISSN 0934-0866
Date Accessioned 2007-03-16
Language en_AU
Faculty Faculty of Science, Environment, Engineering and Technology
Subject PRE2009-Environmental Technologies
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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