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Dehydrogenation of i-butane over Tunable Mesoporous Alumina Supported Pt–Sn Catalyst

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Abstract

Mesoporous aluminas (MAs) were synthesized in a CTAB–P123 dual-template system and used to prepare Pt–Sn/MAs catalysts by vacuum impregnation method for i-butane dehydrogenation. Characterization results showed that the dose of P123 and CTAB for synthesis of MAs can tune Brunauer–Emmett–Teller surface area, pore size and total acidity. i-Butane conversion has linear relationship with the total acidity of MAs, which also affects the product selectivities. Meanwhile, pore size of MAs cooperatively affects the product distribution via diffusion control. The deactivation of the catalysts is proportional to the coke formation, which improves the dehydrogenation product selectivities during time on stream.

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Acknowledgments

This research was supported by Liaoning Provincial Natural Science Foundation of China (Grant No. 2013020111).

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Authors and Affiliations

  1. Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, People’s Republic of China

    Bin Gu, Xin Rong, Yu Shi & Chenglin Sun

  2. University of Chinese Academy of Sciences, Beijing, 100049, People’s Republic of China

    Bin Gu, Xin Rong & Yu Shi

  3. Catalytic Processes and Materials, MESA+ Institute for Nanotechnology, University of Twente, 7500 AE, Enschede, The Netherlands

    Songbo He

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  1. Bin Gu
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Correspondence to Songbo He or Chenglin Sun.

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Gu, B., He, S., Rong, X. et al. Dehydrogenation of i-butane over Tunable Mesoporous Alumina Supported Pt–Sn Catalyst. Catal Lett 146, 1415–1422 (2016). https://doi.org/10.1007/s10562-016-1767-9

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  • DOI: https://doi.org/10.1007/s10562-016-1767-9

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