Zeolite Y Crystals with Trimodal Porosity as Ideal Hydrocracking Catalysts

Authors

  • Krijn P. de Jong,

    Corresponding author
    1. Inorganic Chemistry and Catalysis, Department of Chemistry, Utrecht University, Sorbonnelaan 16, 3584 CA Utrecht (The Netherlands)
    • Inorganic Chemistry and Catalysis, Department of Chemistry, Utrecht University, Sorbonnelaan 16, 3584 CA Utrecht (The Netherlands)
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  • Jovana Zečević,

    1. Inorganic Chemistry and Catalysis, Department of Chemistry, Utrecht University, Sorbonnelaan 16, 3584 CA Utrecht (The Netherlands)
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  • Heiner Friedrich,

    1. Inorganic Chemistry and Catalysis, Department of Chemistry, Utrecht University, Sorbonnelaan 16, 3584 CA Utrecht (The Netherlands)
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  • Petra E. de Jongh,

    1. Inorganic Chemistry and Catalysis, Department of Chemistry, Utrecht University, Sorbonnelaan 16, 3584 CA Utrecht (The Netherlands)
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  • Metin Bulut,

    1. Total Research Center Feluy, Zone Industrielle C, 7181 Feluy (Belgium)
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  • Sander van Donk,

    Corresponding author
    1. Total Research Center Feluy, Zone Industrielle C, 7181 Feluy (Belgium)
    • Total Research Center Feluy, Zone Industrielle C, 7181 Feluy (Belgium)
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  • Régine Kenmogne,

    1. Institut Charles Gerhardt, UMR 5253 CNRS, UM2, ENSCM, UM1, Ecole Nationale Supérieure de Chimie, 8 rue de l'Ecole Normale, 34296 Montpellier Cedex 5 (France)
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  • Annie Finiels,

    1. Institut Charles Gerhardt, UMR 5253 CNRS, UM2, ENSCM, UM1, Ecole Nationale Supérieure de Chimie, 8 rue de l'Ecole Normale, 34296 Montpellier Cedex 5 (France)
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  • Vasile Hulea,

    1. Institut Charles Gerhardt, UMR 5253 CNRS, UM2, ENSCM, UM1, Ecole Nationale Supérieure de Chimie, 8 rue de l'Ecole Normale, 34296 Montpellier Cedex 5 (France)
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  • François Fajula

    Corresponding author
    1. Institut Charles Gerhardt, UMR 5253 CNRS, UM2, ENSCM, UM1, Ecole Nationale Supérieure de Chimie, 8 rue de l'Ecole Normale, 34296 Montpellier Cedex 5 (France)
    • Institut Charles Gerhardt, UMR 5253 CNRS, UM2, ENSCM, UM1, Ecole Nationale Supérieure de Chimie, 8 rue de l'Ecole Normale, 34296 Montpellier Cedex 5 (France)
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  • H.F. and K.P.d.J. acknowledge support from the National Research School Combination Catalysis (NRSCC) and from NWO-CW, and P.E.d.J. acknowledges support from NWO-Vidi. Hans Meeldijk is acknowledged for assistance with transmission electron microscopy. The electron tomography studies were carried out in the 3D Electron Microscopy group of Utrecht University headed by Dr. Willie Geerts and Prof. Jan Andries Post. Adri van Laak and Ad Mens were involved in physisorption and Marjan Versluijs in X-ray diffraction measurements.

Abstract

original image

Working at the Y: Zeolite Y crystals with micropores (ca. 1 nm), small mesopores (ca. 3 nm), and large mesopores (ca. 30 nm) were obtained by base leaching of previously steamed and acid-leached material. The zeolite Y crystals with trimodal porosity (see electron-tomographic picture) displayed close to ideal hydrocracking selectivity and enhanced yields of kerosene and diesel.

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