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Dry Reforming of Methane at High Pressure in a Fixed-Bed Reactor with Axial Temperature Profile Determination

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Abstract

A continuously operated flow setup with fixed-bed reactor and online gas analysis enabled kinetic investigations of catalysts for the carbon dioxide reforming of methane under industrially relevant conditions at temperatures up to 1000 °C and at pressures up to 20 bar. A coaxial reactor design consisting of an inner- and an outer highly alloyed steel tube allowed obtaining axial temperature profiles by means of a moveable thermocouple. A NiAl2O4-based catalyst was tested at 820 °C and pressures of 1, 10 or 20 bar and compared to a conventional Ni catalyst used for steam reforming of methane. A significant cold spot was detected even when using only 10 mg of catalysts diluted in 1 g of silicon carbide. The specifically designed NiAl2O4/Al2O3 dry reforming catalyst with a high dispersion of the active Ni0 phase was found to be far superior to the conventional steam reforming catalyst.

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Authors and Affiliations

  1. Laboratory of Industrial Chemistry, Ruhr-University Bochum, Universitätsstr. 150, 44801, Bochum, Germany

    Lukas Tillmann, Jonas Schulwitz & Martin Muhler

  2. School of Engineering, University of Warwick, Library Road, Coventry, CV4 7AL, UK

    André van Veen

Authors
  1. Lukas Tillmann
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  2. Jonas Schulwitz
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  3. André van Veen
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  4. Martin Muhler
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Correspondence to Martin Muhler.

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Tillmann, L., Schulwitz, J., van Veen, A. et al. Dry Reforming of Methane at High Pressure in a Fixed-Bed Reactor with Axial Temperature Profile Determination. Catal Lett 148, 2256–2262 (2018). https://doi.org/10.1007/s10562-018-2453-x

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  • DOI: https://doi.org/10.1007/s10562-018-2453-x

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