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Citation: Zhang Xin, Wan Hui-Lin, Weng Wei-Zheng, Yi Xiao-Dong. The Effect of MoO₃ in Ag-Mo-P-O Catalysts on Oxidative Dehydrogenation of Propane[J]. Acta Physico-Chimica Sinica, ;2002, 18(10): 878-883. doi: 10.3866/PKU.WHXB20021003 shu

The Effect of MoO₃ in Ag-Mo-P-O Catalysts on Oxidative Dehydrogenation of Propane

1.
State Key Laboratory of C1 Chemistry and Technology, Department of Chemistry, Tsinghua University, Beijing　100084; 1State Key Laboratory of Physical Chemistry for Solid Surfaces, Department of Chemistry, Xiamen University, Xiamen　361005

Received Date: 7 January 2002
Available Online: 15 October 2002

A series of AMP catalysts with different composition were prepared. These catalysts have been characterized by XRD, H2-TPR, XPS, EPR, NH3-DRIFT, and decomposition of isopropanol reaction. The catalytic performance of oxidative dehydrogenation of propane on these catalysts was also examined. These results indicate that “coherent interface” exists between MoO3 and AgMoO2PO4 in AMP catalysts, leading to synergetic catalytic effect. The strength of synergetic effect is due to interaction and mutual covering of the two phases. The synergetic effect modified the concentration of Mo5＋, the reducibility and the acidity of AMP catalysts, leading to the influence on catalytic performance of oxidative dehydrogenation of propane to propene. The higher selectivity and yield of propene can be obtained on AMP catalysts with available quantity of MoO3.
- Propane;Oxidative dehydrogenation;Propene;Mo-based catalyst;MoO₃;Synergetic effect
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沈阳化工大学材料科学与工程学院沈阳 110142

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The Effect of MoO3 in Ag-Mo-P-O Catalysts on Oxidative Dehydrogenation of Propane

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通讯作者: 陈斌, bchen63@163.com

The Effect of MoO₃ in Ag-Mo-P-O Catalysts on Oxidative Dehydrogenation of Propane