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Acta Phys. -Chim. Sin.  2004, Vol. 20 Issue (05): 524-528    DOI: 10.3866/PKU.WHXB20040516
The Intermediate State and Mechanism of the Steam Reforming of Methanol over CuO-ZnO-ZrO2 Catalysts
Yun Hong;Zhang Hui;Chen Jian-Hua;Chen Hong-Bo;Lin Chang-Jian
Department of Chemistry, State Key Laboratory for Physical Chemistry of the Solid Surface , Xiamen University, Xiamen 361005
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Abstract  The temperature-programmed desorption (TPD) and temperature-programmed surface reaction (TPSR) were studied by in situ mass spectrographic analysis. The results showed that methanol exists on the reactive surface of catalysts as molecular state and that adsorbed formate is one of intermediate species for the steam reforming of methanol (SRM).When the concentration of methanol among gas mixture is higher then 5.4%,0.37% and 0.17% for catalyst CuO, CuO-ZnO and CuO-ZnO-ZrO2, respectively, adsorbed formate decomposes into CO2 and H2,and conversely,CO,CO2 and H2 are products of formate decomposition.

Key wordsCuO-ZnO-ZrO2 catalyst      Steam reforming of methanol (SRM)       Methanol      Reaction mechanism      Intermediate     
Received: 28 October 2003      Published: 15 May 2004
Corresponding Authors: Chen Hong-Bo     E-mail:
Cite this article:

Yun Hong;Zhang Hui;Chen Jian-Hua;Chen Hong-Bo;Lin Chang-Jian. The Intermediate State and Mechanism of the Steam Reforming of Methanol over CuO-ZnO-ZrO2 Catalysts. Acta Phys. -Chim. Sin., 2004, 20(05): 524-528.

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