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Interaction of VxOy/SBA-15 surface sites with the reactant propane observed by microcalorimetry and FTIR spectroscopy

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Wrabetz,  Sabine
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Kröhnert,  Jutta
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Tzolova-Müller,  Genka
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Herbert,  Rita
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Hess,  Christian
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Jentoft,  Friederike C.
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Schlögl,  Robert
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Wrabetz, S., Kröhnert, J., Tzolova-Müller, G., Herbert, R., Hess, C., Jentoft, F. C., et al. (2009). Interaction of VxOy/SBA-15 surface sites with the reactant propane observed by microcalorimetry and FTIR spectroscopy. Poster presented at 42. Jahrestreffen Deutscher Katalytiker, Weimar [Germany].


Cite as: http://hdl.handle.net/11858/00-001M-0000-0010-F9BD-7
Abstract
Vanadium is an important component in oxidation catalysts [1]. Vanadium supported on mesoporous silica SBA-15 is active for the partial oxidation of propane to acrylic acid in the presence of steam [2]. The goal of this work is to characterize the surface sites that interact with propane by investigating: i) number of sites and strength of interaction (isotherms, differential heats), ii) nature of the adsorbate complexes (IR spectroscopy), iii) influence of vanadium loading, and iv) role of H2O.