Mechanistic study of methane reforming with carbon dioxide on a supported nickel catalyst

Yan, Zi-Feng, Qian, Ling, Liu, Xin-Mei, Song, Lin-Hua, Song, Chun-Min, Ding, Rong-Gang, Yuan, An and Qiao, Ke (2005) Mechanistic study of methane reforming with carbon dioxide on a supported nickel catalyst. Journal of chemical research. Synopses, 6 6: 394-400.


Author Yan, Zi-Feng
Qian, Ling
Liu, Xin-Mei
Song, Lin-Hua
Song, Chun-Min
Ding, Rong-Gang
Yuan, An
Qiao, Ke
Title Mechanistic study of methane reforming with carbon dioxide on a supported nickel catalyst
Journal name Journal of chemical research. Synopses   Check publisher's open access policy
ISSN 0308-2342
Publication date 2005-01-01
Sub-type Article (original research)
Open Access Status Not yet assessed
Volume 6
Issue 6
Start page 394
End page 400
Total pages 7
Editor Turpin
Place of publication Royaume - Uni
Publisher Letchworth
Language eng
Subject 090402 Catalytic Process Engineering
Abstract The nature of activation of methane on supported nickel catalyst has been investigated by means of temperature programmed surface reaction (TPSR), temperature programmed desorption (TPD), X-ray photoelectron energy spectroscopy (XPS) and pulse reaction and a synergetic mechanism of carbon dioxide reforming with methane is tentatively postulated. TPSR, TPD and XPS results indicate that carbidic Cα carbonaceous Cβ and carbidic clusters Cγ surface carbon species formed by decomposition of methane show different surface mobility, thermal stability and reactivity. Cα and Cβ species on the nickel surface are thermally unstable and can be rapidly converted into Cγ species upon increasing temperature. The carbidic carbon is a very active and important intermediate in carbon dioxide reforming with methane and the carbidic clusters Cγ species might be the precursor of the surface carbon deposition.
Keyword Carbon dioxide reforming with methane
Supported nickel catalyst
Methane activation
Surface carbonaceous species
synergetic mechanism
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
School of Chemical Engineering Publications
 
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Created: Wed, 08 Apr 2009, 18:50:06 EST by Ms Sarada Rao on behalf of School of Engineering