Rane, V. H. ; Mulla, S. A. R. ; Choudhary, V. R. (1998) Oxidative coupling of methane over alkaline earth promoted CeO2, Nd2O3 and Sm2O3 catalysts Studies in Surface Science and Catalysis, 113 . pp. 1007-1013. ISSN 0167-2991
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S01672...
Related URL: http://dx.doi.org/10.1016/S0167-2991(98)80389-3
Abstract
Surface acidity/basicity and catalytic activity/selectivity of alkaline earth (Ca, Ba and Sr) promoted CeO2, Nd2O3 and Sm2O3 catalysts in oxidative coupling of methane (OCM) at different reaction conditions (temperature = 650° -850° C, CH4/O2 ratio = 4.0 and 8.0 and GHSV = 103,200 cm3.g1.h1) have been investigated. The acidity and basicity of the catalysts is strongly influenced by the promoters. Among the catalysts, Sr-CeO2 showed best catalytic performance. The alkaline earth promoted Nd2O3 and Sm2O3 catalysts are found to be highly active and selective even at low temperature (650° C) in the OCM.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 88512 |
| Deposited On: | 29 Mar 2012 04:34 |
| Last Modified: | 29 Mar 2012 04:34 |
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