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Sorption-Enhanced Water-Gas Shift Reaction for Synthesis Gas Production from Pure CO: Investigation of Sorption Parameters and Reactor Configurations

Author

Listed:
  • Tabea J. Stadler

    (Institute for Micro Process Engineering (IMVT), Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany)

  • Philipp Barbig

    (Institute for Micro Process Engineering (IMVT), Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany)

  • Julian Kiehl

    (Institute for Micro Process Engineering (IMVT), Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany)

  • Rafael Schulz

    (Institute for Micro Process Engineering (IMVT), Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany)

  • Thomas Klövekorn

    (Institute for Micro Process Engineering (IMVT), Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany)

  • Peter Pfeifer

    (Institute for Micro Process Engineering (IMVT), Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany)

Abstract

A sorption-enhanced water-gas shift (SEWGS) system providing CO 2 -free synthesis gas (CO + H 2 ) for jet fuel production from pure CO was studied. The water-gas shift (WGS) reaction was catalyzed by a commercial Cu/ZnO/Al 2 O 3 catalyst and carried out with in-situ CO 2 removal on a 20 wt% potassium-promoted hydrotalcite-derived sorbent. Catalyst activity was investigated in a fixed bed tubular reactor. Different sorbent materials and treatments were characterized by CO 2 chemisorption among other analysis methods to choose a suitable sorbent. Cyclic breakthrough tests in an isothermal packed bed microchannel reactor (PBMR) were performed at significantly lower modified residence times than those reported in literature. A parameter study gave an insight into the effect of pressure, adsorption feed composition, desorption conditions, as well as reactor configuration on breakthrough delay and adsorbed amount of CO 2 . Special attention was paid to the steam content. The significance of water during adsorption as well as desorption confirmed the existence of different adsorption sites. Various reactor packing concepts showed that the interaction of relatively fast reaction and relatively slow adsorption kinetics plays a key role in the SEWGS process design at low residence time conditions.

Suggested Citation

  • Tabea J. Stadler & Philipp Barbig & Julian Kiehl & Rafael Schulz & Thomas Klövekorn & Peter Pfeifer, 2021. "Sorption-Enhanced Water-Gas Shift Reaction for Synthesis Gas Production from Pure CO: Investigation of Sorption Parameters and Reactor Configurations," Energies, MDPI, vol. 14(2), pages 1-22, January.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:2:p:355-:d:478237
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    References listed on IDEAS

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    1. Lee, Chan Hyun & Lee, Ki Bong, 2017. "Sorption-enhanced water gas shift reaction for high-purity hydrogen production: Application of a Na-Mg double salt-based sorbent and the divided section packing concept," Applied Energy, Elsevier, vol. 205(C), pages 316-322.
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    Cited by:

    1. Ratikorn Sornumpol & Dang Saebea & Amornchai Arpornwichanop & Yaneeporn Patcharavorachot, 2023. "Process Optimization and CO 2 Emission Analysis of Coal/Biomass Gasification Integrated with a Chemical Looping Process," Energies, MDPI, vol. 16(6), pages 1-17, March.
    2. Vladislav Sadykov, 2023. "Advances in Hydrogen and Syngas Generation," Energies, MDPI, vol. 16(7), pages 1-4, March.

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