Low temperature selective oxidation of methane to methanol using titania supported gold palladium copper catalysts

Ab Rahim, Mohd Hasbi, Armstrong, Robert, Hammond, Ceri ORCID: https://orcid.org/0000-0002-9168-7674, Dimitratos, Nikolaos ORCID: https://orcid.org/0000-0002-6620-4335, Freakley, Simon, Forde, Michael, Morgan, David John ORCID: https://orcid.org/0000-0002-6571-5731, Lalev, Georgi, Jenkins, Robert Leyshon, Lopez-Sanchez, Jose A., Taylor, Stuart H. ORCID: https://orcid.org/0000-0002-1933-4874 and Hutchings, Graham ORCID: https://orcid.org/0000-0001-8885-1560 2016. Low temperature selective oxidation of methane to methanol using titania supported gold palladium copper catalysts. Catalysis Science & Technology 6 (10) , pp. 3410-3418. 10.1039/C5CY01586C

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Abstract

The selective oxidation of methane to methanol has been studied using trimetallic AuPdCu/TiO2 catalysts prepared by incipient wetness impregnation. They are able to catalyse the selective oxidation of methane to methanol under mild aqueous reaction conditions using H2O2 as the oxidant. When compared with bimetallic, Au-Pd/TiO2 analogues, the new trimetallic catalysts present productivities which are up to 5 times greater under the same test conditions, and this is coupled with methanol selectivity of up to 83 %. Characterisation shows that whilst Au-Pd is present as Au- core Pd- shell nanoparticles, copper is present as either Cu or Cu2O in < 5 nm particles.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Cardiff Catalysis Institute (CCI) Chemistry
Subjects:	Q Science > QD Chemistry
Publisher:	Royal Society of Chemistry
ISSN:	2044-4753
Date of Acceptance:	10 December 2015
Last Modified:	05 Jan 2023 14:54
URI:	https://orca.cardiff.ac.uk/id/eprint/83940

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