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Advantages of Producing Aromatics from Propene over Ethene Using Zeolite-Based Catalysts

  • Paresh S. Butolia
  • , Xiaoying Xi
  • , Jozef G.M. Winkelman
  • , Marc C.A. Stuart
  • , Matthijs van Akker
  • , André Heeres
  • , Hero Jan Heeres
  • , Jingxiu Xie
    • University of Groningen, Faculty of Science and Engineering, Engineering and Technology Institute Groningen, Green Chemical Reaction Engineering
    • Stratingh Institute, University of Groningen
    • University of Groningen, Microbial Physiology, Groningen Biomolecular Sciences and Biotechnology Institute (GBB)
    • BioBTX BV

    Research output: Contribution to journal › Article › Academic › peer-review

    Abstract

    Sustainable production of aromatics, especially benzene, toluene and xylenes (BTX), is essential considering their broad applications and the current global transition away from crude oil utilization. Aromatization of lower olefins, particularly ethene and propene, offers great potential if they are derived from more circular alternative carbon feedstocks such as biomass and waste plastics. This work aims to identify the preferred olefin feed, ethene or propene, for BTX production in a fixed-bed reactor. A commercial H-ZSM-5 (Si/Al = 23) catalyst was used as a reference catalyst, as well as a Ga-ZSM-5 catalyst, prepared by Ga ion-exchange of the H-ZSM-5 catalyst. At 773 K, 1 bar, 45 vol % olefin, 6.75 h−1, propene aromatization over the Ga-ZSM-5 catalyst exhibited higher BTX selectivity of 55 % and resulted in slower catalyst deactivation compared to ethene aromatization.
    Original languageEnglish
    Pages (from-to)1845-1852
    Number of pages8
    JournalChemie Ingenieur Technik - CIT
    Volume94
    Issue number11
    DOIs
    Publication statusPublished - 11 Oct 2022

    Keywords

    • aromatics
    • etheen
    • op zeoliet gebaseerde katalysatoren
    • propeen

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