Hydrogen Production from Ethanol Steam Reforming Over Ni/CeO2 Nanocomposite Catalysts

Catalysis Letters volume 119, pages228–236(2007)Cite this article

Abstract

The organic polymer chitosan was used as the polymeric precursor for the synthesis of Ni/CeO2 nanocomposite catalysts. The materials were characterized by N2 physisorption, H2 chemisorption, AA, XRD, TGA, TPR, SEM and TEM analyses. The catalysts provide very good reactivity in ethanol steam reforming compared to the conventional Ni/CeO2 catalyst prepared by the impregnation method using a commercial support. High hydrogen selectivity (>75%) was obtained on Ni/CeO2 catalysts by operating at a temperature range of 325–500 °C and a H2O/C2H5OH molar ratio of 3. It was verified that the catalytic behavior could be influenced depending on the experimental conditions employed.

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Acknowledgments

The authors gratefully acknowledge CNPq and FINEP for financial support.

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Affiliations

  1. Departamento de Química- Pós-Graduação em Química, Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Campus Universitário, CP 476, Florianopolis, SC, CEP 88040-900, Brazil

    Humberto V. Fajardo & Luiz F. D. Probst

  2. Departamento de Química Analítica e Inorgânica, Universidade Federal de Pelotas, Capao do Leao, RS, CEP 96010-900, Brazil

    Neftalí L. V. Carreño & Irene T. S. Garcia

  3. Departamento de Química Analítica e Físico-Química, Universidade Federal do Ceará, Fortaleza, CE, CEP 60451-970, Brazil

    Antoninho Valentini

Authors
  1. Humberto V. Fajardo
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  2. Luiz F. D. Probst
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  3. Neftalí L. V. Carreño
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  4. Irene T. S. Garcia
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  5. Antoninho Valentini
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Correspondence to Humberto V. Fajardo.

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Fajardo, H.V., Probst, L.F.D., Carreño, N.L.V. et al. Hydrogen Production from Ethanol Steam Reforming Over Ni/CeO2 Nanocomposite Catalysts. Catal Lett 119, 228–236 (2007). https://doi.org/10.1007/s10562-007-9222-6

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Keywords

  • Hydrogen
  • Cerium oxide
  • Ethanol
  • Steam reforming