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Propane Dehydrogenation Reaction in a High-Pressure Zeolite Membrane Reactor

  • Shailesh Dangwal
    Shailesh Dangwal
    School of Chemical Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, United States
  • Anil Ronte
    Anil Ronte
    School of Chemical Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, United States
    More by Anil Ronte
  • Ghader Mahmodi
    Ghader Mahmodi
    School of Chemical Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, United States
  • Payam Zarrintaj
    Payam Zarrintaj
    School of Chemical Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, United States
  • Jong Suk Lee
    Jong Suk Lee
    Department of Chemical and Biomolecular Engineering, Sogang University, Baekbeom-ro 35, Mapo-gu, Seoul 04107, Republic of Korea
    More by Jong Suk Lee
  • Mohammad Reza Saeb
    Mohammad Reza Saeb
    Department of Polymer Technology, Faculty of Chemistry, Gdansk University of Technology, G. Narutowicza 11/12, 80-233 Gdansk, Poland
  • Heather Gappa-Fahlenkamp
    Heather Gappa-Fahlenkamp
    School of Chemical Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, United States
  • , and 
  • Seok-Jhin Kim*
    Seok-Jhin Kim
    School of Chemical Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, United States
    *Email: [email protected]
Cite this: Energy Fuels 2021, 35, 23, 19362–19373
Publication Date (Web):November 11, 2021
https://doi.org/10.1021/acs.energyfuels.1c02473
Copyright © 2021 American Chemical Society

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    Abstract

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    In this work, a silicalite membrane reactor was used for the propane dehydrogenation (PDH) reaction for different operating conditions such as 550–650 °C for temperature and 1–5 atm for pressure, respectively. Packed bed membrane reactors (PBMRs) were allowed to achieve higher performance than packed bed reactors, thereby overcoming thermodynamic limitations that are prevalent in dehydrogenation reactions. Removal of one of the reaction products (H2) during the reaction from the reaction side helped in improving PDH reaction performance of PBMR. Pt/Al2O3 catalysts were used with the silicalite membrane to explore the impact of operating conditions on the PDH reaction. Increasing reaction temperature accelerated the reaction rate, which led to an increase in propane conversion. Increasing reaction pressure led to an increase in H2 permeation across the membrane, which resulted in considerable improvement in the propane conversion. The highest propane conversion, propylene selectivity, and propylene yield achieved were 49, 97, and 47%, respectively, at 600 °C and 5 atm in the PBMR mode. The selective removal of H2 from the reaction side through the membrane was also found to significantly reduce the side products such as methane. A one-dimensional plug flow model was developed and found to work well for simulating the PDH reaction.

    Cited By

    This article is cited by 1 publications.

    1. Shaojia Song, Yuanqing Sun, Kun Yang, Yumeng Fo, Xiangyang Ji, Hui Su, Zhenxing Li, Chunming Xu, Guoyong Huang, Jian Liu, Weiyu Song. Recent Progress in Metal-Molecular Sieve Catalysts for Propane Dehydrogenation. ACS Catalysis 2023, 13 (9) , 6044-6067. https://doi.org/10.1021/acscatal.3c00816

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