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Effect of Pd and Pt additives on the activity of Ni−Cr catalysts in reaction of CO with H2

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Abstract

Introduction of small amounts of Pt or Pd into Ni−Cr catalysts decreases temperature of their reduction with H2, and enhances their methanation activity and stability to carbonization. These phenomena are interpreted in terms of spillover of extra hydrogen from Pt or Pd which participates in hydrogenation of active carbon species on Ni surface.

Abstract

Введение небольших добавок Pt или Pd в Ni−Cr катализаторы понижает температуру их восстановления в H2, повышает активность в метанировании и стабильность к зауглерозиванию. Это объясняется переносом дополнительных количеств водорода с Pt или Pd, принимающего участие в гидрировании активных форм углерода на поверхности Ni.

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Authors and Affiliations

  1. Institute of Catalysis, 630090, Novosibirsk, USSR

    V. L. Kuznetsov, S. P. Noskova, I. L. Kuznetsova & Yu. I. Yermakov

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  1. V. L. Kuznetsov
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  2. S. P. Noskova
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  3. I. L. Kuznetsova
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  4. Yu. I. Yermakov
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Kuznetsov, V.L., Noskova, S.P., Kuznetsova, I.L. et al. Effect of Pd and Pt additives on the activity of Ni−Cr catalysts in reaction of CO with H2 . React Kinet Catal Lett 38, 411–416 (1989). https://doi.org/10.1007/BF02062140

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  • DOI: https://doi.org/10.1007/BF02062140

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