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A study of methane activation by modified gallium- and zinc-based catalysts

Hammond, Charles R., Hutchings, Graham John, Willock, David James and Taylor, Stuart Hamilton 2003. A study of methane activation by modified gallium- and zinc-based catalysts. Research on Chemical Intermediates 29 (7-9) , pp. 911-920. 10.1163/156856703322601906

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Abstract

The activation of CH4 has been probed by studying CH4 oxidation at ambient pressure over gallium- and zinc-based catalysts prepared by precipitation and modified with Au and Pt. The unmodified gallium- and zinc-based catalysts were both active for CH4 oxidation. Modification of these catalysts by the addition of Au and Pt, alone and in combination significantly increased the rate of CH4 oxidation. The 1 Pt/Ga2O3 catalyst was the most active of the gallium-based systems. The addition of Au to ZnO markedly increased the activity compared with unmodified ZnO, whilst for Au in combination with Pt the activity was further enhanced due to a synergistic effect of the metals.

Item Type: Article
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Subjects: Q Science > QD Chemistry
Uncontrolled Keywords: Catalyst activity; Catalysts; Chemical activation; Chemical modification; Gallium; Gold; Oxidation; Platinum; Precipitation (chemical); Zinc, Gallium based catalysts; Methane activation; Zinc based catalysts, Methane
Additional Information: cited by (since 1996) 0
Publisher: VSP
ISSN: 09226168
Last Modified: 03 Nov 2017 01:38
URI: http://orca.cf.ac.uk/id/eprint/10290

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