Abstract
The surface structure and acid sites of alumina-supported molybdenum nitride Catal.ysts have been studied using temperature-programed desorption (TPD), and reduction (TPR), diffuse reflectance infrared spectroscopy, and X-ray diffraction (XRD) analysis. The nitride Catal.ysts were prepared by the temperature-programmed reaction of alumina-supported molybdenum oxide (12.5% and 97.1%) with NH3 at temperatures of 773, 973, and 1173 K. TPR and XRD analyses showed that γ-Mo2N was already formed at 973 K. On the basis of NH3-TPD measurements and IR spectroscopy, it was found that Lewis acid sites were predominant over Bronsted acid sites on the surface of Mo2N/Al2O3.
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© 1996 Chapman & Hall
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Nagai, M., Miyata, A., Kusagaya, T., Omi, S. (1996). Surface molybdenum species and acid sites on nitrided molybdena-alumina catalysts. In: Oyama, S.T. (eds) The Chemistry of Transition Metal Carbides and Nitrides. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1565-7_17
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DOI: https://doi.org/10.1007/978-94-009-1565-7_17
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