Oxidation of butane to maleic anhydride using vanadium phosphate catalysts: Comparison of operation in aerobic and anaerobic conditions using a gas-gas periodic flow reactor

Song, N., Xuan, Z., Bartley, Jonathan Keith ORCID: https://orcid.org/0000-0003-4640-541X, Taylor, Stuart H. ORCID: https://orcid.org/0000-0002-1933-4874, Chadwick, D. and Hutchings, Graham John ORCID: https://orcid.org/0000-0001-8885-1560 2006. Oxidation of butane to maleic anhydride using vanadium phosphate catalysts: Comparison of operation in aerobic and anaerobic conditions using a gas-gas periodic flow reactor. Catalysis Letters 106 (3-4) , pp. 127-131. 10.1007/s10562-005-9619-z

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Abstract

The use of a periodic flow reactor is described for the oxidation of butane to maleic anhydride to compare the catalytic performance of vanadium phosphate catalysts operating under aerobic and anaerobic conditions. It is found that for the catalyst prepared via a standard VPO method, operation in the absence of oxygen leads to a very small enhancement in selectivity when butane concentrations in the range 0.9-2.9 are used. Operation in the absence of oxygen leads to very small differences in conversion such that the overall yield is enhanced and this effect is maximised for reactor feeds containing 1. 5 butane. However, the enhancement is negligible when the catalyst is operated at high conversion required for commercial operation, indicating that reactors operating with continuous flow with aerobic conditions are preferred. Similar experiments are conducted for a catalyst prepared by the VPD method and, in contrast, this catalyst gives lower butane conversion and maleic anhydride selectivity when operated in the absence of oxygen. © 2006 Springer Science+Business Media, Inc.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry Cardiff Catalysis Institute (CCI)
Subjects:	Q Science > QD Chemistry
Uncontrolled Keywords:	Butane; Catalysts; Concentration (process); Oxygen; Vanadium compounds, Butane oxidation; Maleic anhydrides; Periodic flow; Vanadium phosphate, Oxidation
Additional Information:	cited By (since 1996) 0
Publisher:	Kluwer Academic Publishers
ISSN:	1011372X
Last Modified:	05 Jan 2023 10:00
URI:	https://orca.cardiff.ac.uk/id/eprint/10272

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