Application of inelastic neutron scattering to studies of CO2 reforming of methane over alumina-supported nickel and gold-doped nickel catalysts

Silverwood, I. P., Hamilton, N. G., McFarlane, A. R., Kapitan, J., Hecht, L., Norris, E. L., Ormerod, R. M., Frost, C. D., Parker, S. F. and Lennon, D. (2012) Application of inelastic neutron scattering to studies of CO2 reforming of methane over alumina-supported nickel and gold-doped nickel catalysts. Physical Chemistry Chemical Physics, 14(43), pp. 15214-15225. (doi:10.1039/C2CP42745A)

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Abstract

The methane reforming reaction with carbon dioxide as the oxidant over alumina-supported nickel and gold-doped nickel catalysts is studied using a variety of techniques such as reaction testing, vibrational spectroscopy (inelastic neutron scattering (INS), Raman scattering and infrared absorption), temperature-programmed oxidation (TPO), transmission electron microscopy and X-ray powder diffraction. The quantities of retained carbon and hydrogen are determined by TPO and INS, respectively. Minimal hydrogen retention indicates these catalysts to be very efficient at cycling hydrogen. The relative partitioning of hydrogen within the reaction media is used to formulate a qualitative description of the reaction kinetics. The presence of the gold modifier does not appear to provide any improvement in catalyst performance under the specified reaction conditions.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Lennon, Professor David and Kapitan, Dr Josef and Silverwood, Dr Ian and McFarlane, Dr Andrew and Hecht, Dr Lutz
Authors: Silverwood, I. P., Hamilton, N. G., McFarlane, A. R., Kapitan, J., Hecht, L., Norris, E. L., Ormerod, R. M., Frost, C. D., Parker, S. F., and Lennon, D.
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Physical Chemistry Chemical Physics
Publisher:Royal Society of Chemistry
ISSN:1463-9076

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
442801Towards a molecular understanding of deactivation issues in methane reforming catalystsDavid LennonEngineering & Physical Sciences Research Council (EPSRC)EP/E028861/1CHEM - CHEMISTRY