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  • Identification of Metal Contaminants on FCC Catalyst.

    Author(s)
    Whitcombe, JM
    Agranovski, IE
    Braddock, RD
    Griffith University Author(s)
    Braddock, Roger D.
    Whitcombe, Joshua M.
    Agranovski, Igor E.
    Year published
    2006
    Metadata
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    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 ...
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    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.
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    Journal Title
    Particle & Particle Systems characterization: an international journal devoted to the measure and description of particle and bulk properties in dispersed systems
    Volume
    22
    Publisher URI
    https://onlinelibrary.wiley.com/doi/abs/10.1002/ppsc.200500972
    DOI
    https://doi.org/10.1002/ppsc.200500972
    Copyright Statement
    © 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.
    Subject
    Other physical sciences
    Chemical engineering
    Mechanical engineering
    Publication URI
    http://hdl.handle.net/10072/14343
    Collection
    • Journal articles

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