High surface area MoO3/MgO: preparation by the new slurry impregnation method and activity in sulphided state in hydrodesulphurization of benzothiophene |
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Authors: | T. Klicpera M. Zdražil |
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Affiliation: | (1) Institute of Chemical Process Fundamentals, Academy of Sciences of the Czech Republic, Rozvojová 135, 165 02 Prague 6 – Suchdol, Czech Republic |
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Abstract: | High surface area MoO2/MgO was prepared by the reaction of MgO (250–300 m2 g−1) with a slurry of ammonium heptamolybdate in methanol or anhydrous ethanol at the alcohol boiling point. The low solubility of ammonium heptamolybdate was sufficient for its gradual transport to the support surface: molybdena species were deposited and ammonia was evolved. Catalytic activities in the hydrodesulphurization of benzothiophene of the MoO3/MgO samples were comparable to the activity of the reference commercial MoO3/Al2O3 catalyst. This revised version was published online in July 2006 with corrections to the Cover Date. |
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Keywords: | MoO3/MgO catalyst hydrodesulphurization slurry impregnation benzothiophene |
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