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The Oxidative Dehydrogenation of Propane Using Vanadium Oxide Supported on Nanocrystalline Ceria

Taylor, M. N., Carley, Albert Frederick, Davies, Thomas Edward and Taylor, Stuart Hamilton 2009. The Oxidative Dehydrogenation of Propane Using Vanadium Oxide Supported on Nanocrystalline Ceria. Topics in Catalysis 52 (12) , pp. 1660-1668. 10.1007/s11244-009-9307-0

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Abstract

Nanocrystalline ceria was prepared as a support for vanadium oxide catalysts and tested for the oxidative dehydrogenation of propane. Nanocrystalline ceria is very active for the total oxidation of propane under conditions used for oxidative dehydrogenation. The addition of vanadium results in a switch of activity to produce propene with appreciable selectivity. The catalyst performance depends on the vanadium loading. Lower vanadium loadings resulted in catalysts with highly dispersed vanadia species, which were selective towards propene production. Higher vanadium loadings resulted in the formation of a mixed cerium–vanadium phase, which was also active for propane selective oxidation. A catalyst with an intermediate loading was far less selective. Catalysts were characterised by a range of techniques (including XRD, laser Raman, TPR, SEM/EDX and XPS), and the activity of the catalysts can be related to their structure and chemistry.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Subjects: Q Science > QD Chemistry
Uncontrolled Keywords: Ceria vanadium oxide - Propane - Propene - Selective oxidation - Oxidative dehydrogenation
Publisher: Springer
ISSN: 1022-5528
Last Modified: 04 Jun 2017 01:56
URI: http://orca.cf.ac.uk/id/eprint/6145

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