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Glycerol steam reforming over Ni/γ-Al2O3 catalysts modified by metal oxides

  • Catalysis, Reaction Engineering
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Abstract

The metal oxides modified Ni/γ-Al2O3 catalysts for glycerol steam reforming were prepared by impregnation. Characterization results of fresh catalysts indicated that the molybdates modification abated the acidity and the stronger metal-support interaction of Ni/γ-Al2O3 catalysts, leading to a stable catalytic activity. Especially, NiMoLa-CaMg/γ-Al2O3 (NiMoLa/CMA) catalyst exhibited no deactivation along with glycerol complete conversion to stable gaseous products containing 69% H2, 20% CO and 10% CO2 during time-on-stream of 42 h. TPO of spent Ni/γ-Al2O3 catalysts modified by different components showed that the carbon deposit on acidic sites and NiAl2O4 species led to catalysts deactivation. A lower reforming temperature and a higher LHSV and glycerol content were helpful to the production of syngas from GSR over NiMoLa/CMA; the reverse conditions would improve the formation of H2.

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Authors and Affiliations

  1. Air Environmental Modeling and Pollution Controlling Key Laboratory of Sichuan Higher Education Institutes, Chengdu University of Information Technology, Chengdu, 610225, China

    Zun-Yu Huang, Cheng-Hua Xu, Chuan-Qi Liu, Hui-Wen Xiao, Jun Chen, Yong-Xiang Zhang & Ya-Cong Lei

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  1. Zun-Yu Huang
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  2. Cheng-Hua Xu
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  3. Chuan-Qi Liu
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  4. Hui-Wen Xiao
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  5. Jun Chen
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  6. Yong-Xiang Zhang
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  7. Ya-Cong Lei
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Correspondence to Cheng-Hua Xu.

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Huang, ZY., Xu, CH., Liu, CQ. et al. Glycerol steam reforming over Ni/γ-Al2O3 catalysts modified by metal oxides. Korean J. Chem. Eng. 30, 587–592 (2013). https://doi.org/10.1007/s11814-012-0204-z

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  • DOI: https://doi.org/10.1007/s11814-012-0204-z

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