Abstract
Engineered solid supports for vanadium catalysts were prepared by atomic layer deposition (ALD) of alumina and titania layers on silica. The thickness of these layers was found to have a significant effect on the structure of the solid supports, their interaction with vanadia, and their catalytic performance with regard to oxidative dehydrogenation of propane. The catalytic performance of supported vanadia catalysts is reported for both ALD-engineered and conventional solid supports (γ-Al2O3 and TiO2). The analysis results indicated that the engineered supports behave as a separate phase rather than a cross between the base silica and the deposited alumina or titania.
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Acknowledgments
This work has been supported by the Director, Office of Science, Office of Biological and Environmental Research, Biological Systems Science Division of the US Department of Energy under Contract No. DE-FG02-08ER64624; by the National Science Foundation (NSF-CHE-0722632, EPSCoR Grants No. 0554609 and 0903804), and by the State of South Dakota (NSF NPURC Grant 0532242). Christopher L. Marshall and Joe Libera acknowledge the support of the US Department of Energy, Office of Basic Energy Science under Contract DE-FG02-03-ER15457.
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Sereda, G., Marshall, C., Libera, J.A. et al. Effect of Atomic Layer Deposition Support Thickness on Structural Properties and Oxidative Dehydrogenation of Propane on Alumina- and Titania-Supported Vanadia. Catal Lett 142, 399–407 (2012). https://doi.org/10.1007/s10562-012-0780-x
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DOI: https://doi.org/10.1007/s10562-012-0780-x