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Characterization and catalytic performance of Co, Ni and W trimetallic carbides

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Reaction Kinetics and Catalysis Letters Aims and scope Submit manuscript

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Summary

New wolframite-type oxides (Co1-xNixWO4) with various compositions havebeen prepared by a combustion method and carburized using a temperature-programmed reaction.  Catalytic performance was evaluated in a continuous flow reactor using pyridine hydrodenitrogenation (HDN) as the model reaction. The carbide phase composition is markedly affected by the atomic ratio (i.e.,Ni / Ni +Co). The mixed Co, Ni and W carbides are active catalysts for pyridine HDN reaction; however they undergo deactivation due to graphitic carbon deposition and segregation.

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Authors and Affiliations

  1. Wolfson Catalysis Centre, Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QR, United Kingdom.

    Sergio L. González-Cortés

  2. Wolfson Catalysis Centre, Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QR, United Kingdom.

    Tian-Cun Xiao

  3. Wolfson Catalysis Centre, Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QR, United Kingdom.

    Andrew P. E. York

  4. Wolfson Catalysis Centre, Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QR, United Kingdom.

    Ding Ma

  5. Wolfson Catalysis Centre, Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QR, United Kingdom.

    Hamid Al-Megren

  6. Wolfson Catalysis Centre, Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QR, United Kingdom.

    Malcolm L.H. Green

Authors
  1. Sergio L. González-Cortés
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  2. Tian-Cun Xiao
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  3. Andrew P. E. York
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  4. Ding Ma
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  5. Hamid Al-Megren
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  6. Malcolm L.H. Green
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González-Cortés, S., Xiao, TC., York, A. et al. Characterization and catalytic performance of Co, Ni and W trimetallic carbides. React Kinet Catal Lett 84, 21–28 (2005). https://doi.org/10.1007/s11144-005-0186-5

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  • DOI: https://doi.org/10.1007/s11144-005-0186-5

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