Raman Spectra of Pyridine Adsorbed on Supported Molybdate Catalysts |
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Authors: | C. P. Cheng G. L. Schrader |
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Affiliation: | Department of Chemical Engineering , University of Delaware , Newark, Delaware, USA |
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Abstract: | Pyridine adsorption was used as a probe of the surface structure of supported molybdate and cobalt molybdate catalysts. The catalysts consisted of a γ-Al2O3 support which had been impregnated with various molybdenum loadings ranging from 1.25% to 15% (MoO3). The Raman spectra of the catalyst and of the adsorbed pyridine indicated that a considerable portion of the alumina surface was not covered by molybdenum even after molybdenum trioxide was formed. Brnsted acid site and Lewis acid site adsorption were observed for low |
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Keywords: | Adsorbed species molybdate catalysts |
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