Catalysis Letters

, Volume 146, Issue 8, pp 1415–1422 | Cite as

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



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.

Graphical Abstract


Mesoporous alumina Pore size Pt–Sn catalysts Dehydrogenation Butane 



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


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalianPeople’s Republic of China
  2. 2.University of Chinese Academy of SciencesBeijingPeople’s Republic of China
  3. 3.Catalytic Processes and Materials, MESA+ Institute for NanotechnologyUniversity of TwenteEnschedeThe Netherlands

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