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Propane Dehydrogenation Over PtSn Catalysts Supported on ZnO-Modified MgAl2O4

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Abstract

Platinum and tin supported on ZnO-modified MgAl2O4 constitutes a new and efficient catalyst for the dehydrogenation of propane. The structure of the catalyst has been studied by XRD, TEM, BET, TG, H2-TPR and H2 chemisorption and catalytic properties for propane dehydrogenation have been tested on a microreactor. It has been shown that the catalyst is superior to conventional alumina-supported PtSn systems and PtSn/MgAl2O4 in terms of lifetime stability, activity and propene selectivity. The characterization results of catalysts revealed that ZnO-modified catalysts can increase the Pt dispersion and enhance the interaction between metal and support, resulting in the increase of catalytic activity for propane dehydrogenation.

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Acknowledgments

Thiswork was supported by the National Natural Science Foundation of China (Nos. 20771061 and 20871071), 973 program (2005CB623607), and the Applied Basic Research Programs of Science and Technology Commission Foundation of Tianjin (Nos. 08JCYBJC00100 and 09JCYBJC03600).

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Authors and Affiliations

  1. Department of Chemistry, Nankai University, 300071, Tianjin, China

    Yaojie Wang, Yanmei Wang, Shurong Wang, Xianzhi Guo, Shou-Min Zhang, Wei-Ping Huang & Shihua Wu

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  1. Yaojie Wang
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  2. Yanmei Wang
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  3. Shurong Wang
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  4. Xianzhi Guo
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  5. Shou-Min Zhang
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  6. Wei-Ping Huang
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  7. Shihua Wu
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Correspondence to Shihua Wu.

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Wang, Y., Wang, Y., Wang, S. et al. Propane Dehydrogenation Over PtSn Catalysts Supported on ZnO-Modified MgAl2O4 . Catal Lett 132, 472–479 (2009). https://doi.org/10.1007/s10562-009-0119-4

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  • DOI: https://doi.org/10.1007/s10562-009-0119-4

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