McFarlane, A. R., Silverwood, I. P., Norris, E. L., Ormerod, R. M., Frost, C. D., Parker, S. F. and Lennon, D. (2013) The application of inelastic neutron scattering to investigate the steam reforming of methane over an alumina-supported nickel catalyst. Chemical Physics, 427, pp. 54-60. (doi: 10.1016/j.chemphys.2013.10.012)
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Publisher's URL: http://dx.doi.org/10.1016/j.chemphys.2013.10.012
Abstract
An alumina-supported nickel catalyst, previously used in methane reforming experiments employing CO<sub>2</sub> as the oxidant, is applied here in the steam reforming variant of the process. Micro-reactor experiments are used to discern an operational window compatible with sample cells designed for inelastic neutron scattering (INS) experiments. INS spectra are recorded after 6 h reaction of a 1:1 mixture of CH<sub>4</sub> and H<sub>2</sub>O at 898 K. Weak INS spectra are observed, indicating minimal hydrogen retention by the catalyst in this operational regime. Post-reaction, the catalyst is further characterised by powder X-ray diffraction, transmission electron microscopy and Raman scattering. In a comparable fashion to that seen for the ‘dry’ reforming experiments, the catalyst retains substantial quantities of carbon in the form of filamentous coke. The role for hydrogen incorporation by the catalyst is briefly considered.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Silverwood, Dr Ian and McFarlane, Dr Andrew and Lennon, Professor David |
| Authors: | McFarlane, A. R., Silverwood, I. P., 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: | Chemical Physics |
| ISSN: | 03010104 |
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