Real-Time Control of a Catalytic Solid in a Fixed-Bed Reactor Based on In Situ Spectroscopy

Authors

  • Simona M. Bennici Dr.,

    1. Inorganic Chemistry and Catalysis Group, Department of Chemistry, Utrecht University, P.O. Box 80083, 3508 TB Utrecht, The Netherlands, Fax: (+31) 30-251-1027
    2. Current address: IRCELYON, UMR 5256 CNRS/Université Lyon 1, 2 avenue Albert Einstein, 69626 Villeurbanne Cedex, France
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  • Bas M. Vogelaar Dr. Ir.,

    1. Inorganic Chemistry and Catalysis Group, Department of Chemistry, Utrecht University, P.O. Box 80083, 3508 TB Utrecht, The Netherlands, Fax: (+31) 30-251-1027
    2. Current address: Albemarle Catalysts, P.O. Box 37650, 1030 BE Amsterdam, The Netherlands
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  • T. Alexander Nijhuis Dr. Ir.,

    1. Inorganic Chemistry and Catalysis Group, Department of Chemistry, Utrecht University, P.O. Box 80083, 3508 TB Utrecht, The Netherlands, Fax: (+31) 30-251-1027
    2. Current address: Department of Chemical Engineering, Technische Universiteit Eindhoven, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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  • Bert M. Weckhuysen Prof. Dr. Ir.

    1. Inorganic Chemistry and Catalysis Group, Department of Chemistry, Utrecht University, P.O. Box 80083, 3508 TB Utrecht, The Netherlands, Fax: (+31) 30-251-1027
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  • The ASPECT (ACTS) and CW-VICI (NWO) funding schemes are kindly acknowledged for financial support.

Abstract

original image

A reality check: Reactor control by online spectroscopy is illustrated for a Cr/Al2O3 alkane dehydrogenation catalyst and a vanadium phosphorus oxide catalyst used in the selective oxidation of n-butane to maleic anhydride. Rather than testing the product composition alone, the methodology monitors the state of the catalyst in the reactor, and changes the reaction conditions to keep the catalyst in its optimal state (see picture).

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