A Critical View on Direct Syngas to Aromatics over Combined Zinc Oxide on Zirconia and H-ZSM-5 Catalysts

Michael T. Nikolajsen*, Niels Christian Schjødt, Uffe Vie Mentzel, Jens Sehested, Jakob M. Christensen, Martin Høj

*Corresponding author for this work

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

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Abstract

ZnO supported on zirconia (ZnO/ZrO2) catalyses methanol synthesis with high selectivity and stability at temperatures >300 °C. When combined with H-ZSM-5 a CO2 conversion of 14-15 % with an aromatics selectivity of 73-76 % has been reported [1,2]. This work investigates the combination of ZnO/ZrO2 with ZSM-5 of various acid site densities, for the direct conversion of syngas to aromatics. The mixing ratio and operating conditions were optimized to increase the COx conversion and aromatics selectivity. This includes fundamental characterization using BET, ICP and XRD and in-depth characterization using in-situ XAS and DRIFTS.
Original languageEnglish
Publication date2023
Number of pages1
Publication statusPublished - 2023
Event15th European Congress on Catalysis - Prague Congress Centre, Prague, Czech Republic
Duration: 27 Aug 20231 Sept 2023
Conference number: 15
https://www.europacat2023.cz/

Conference

Conference15th European Congress on Catalysis
Number15
LocationPrague Congress Centre
Country/TerritoryCzech Republic
CityPrague
Period27/08/202301/09/2023
Internet address

Keywords

  • Syngas
  • Aromatics
  • Methanol

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