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|Title:||Partial oxidation of methane to synthesis gas over α-Al2O3-supported bimetallic Pt-Co catalysts|
|Authors:||Tang, S. |
|Keywords:||Bimetallic Pt-Co catalysts|
Cobalt surface phase (CSP)
Partial oxidation of methane (POM)
|Citation:||Tang, S.,Lin, J.,Tan, K.L. (1999-06). Partial oxidation of methane to synthesis gas over α-Al2O3-supported bimetallic Pt-Co catalysts. Catalysis Letters 59 (2-4) : 129-135. ScholarBank@NUS Repository.|
|Abstract:||The partial oxidation of methane to synthesis gas was studied at atmospheric pressure and in the temperature range of 550-800°C over α-Al2O3-supported bimetallic Pt-Co, and monometallic Pt and Co catalysts, respectively. Both methane conversion and CO selectivity over a bimetallic Pt0.5Co1 catalyst were higher than those over monometallic Pt0.5 and Co1 catalysts. Furthermore, the addition of platinum in Pt-Co bimetallic catalysts effectively improved their resistance to carbon deposition with no coking occurring on Pt0.5Co1 during 80 h reaction. The FTIR study of CO adsorption observed only linearly bonded CO on bimetallic Pt-Co catalysts. TPR and XPS showed enhanced formation of a cobalt surface phase (CSP) in bimetallic Pt-Co catalysts. The origins of the good coking resistivity of bimetallic Pt-Co catalysts were discussed.|
|Source Title:||Catalysis Letters|
|Appears in Collections:||Staff Publications|
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