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Technical University of Crete
Technical University of Crete
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| URI: | http://purl.tuc.gr/dl/dias/10394FCF-3AEB-4B61-AE14-C5E1C7F734BB | ||
| Year | 2023 | ||
| Type of Item | Peer-Reviewed Journal Publication | ||
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| Bibliographic Citation | A. Androulakis, I. V. Yentekakis and P. Panagiotopoulou, “Dry reforming of methane over supported Rh and Ru catalysts: effect of the support (Al2O3, TiO2, ZrO2, YSZ) on the activity and reaction pathway,” Int. J. Hydrogen Energy, vol. 48, no. 87, pp. 33886-33902, Oct. 2023, doi: 10.1016/j.ijhydene.2023.03.114. https://doi.org/10.1016/j.ijhydene.2023.03.114 | ||
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The effect of Al2O3, TiO2, ZrO2 and Yttria-Stabilized Zirconia (YSZ) supports on the activity of the dry reforming of CH4 towards syngas production was investigated for Rh and Ru catalysts. Ruthenium-based catalysts were found to generally be more active than Rh leading H2/CO ratios close to unity above 700 °C. Methane conversion turnover frequency (TOF) over Rh catalysts becomes optimum for Rh/YSZ followed by Rh/TiO2 and Rh/ZrO2, and finally Rh/Al2O3, which exhibited the lowest activity. The performance order is different for Ru catalysts, with TOF being increased in the order Ru/Al2O3
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