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Kinetics of CO oxidation over metal-like carbides

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Abstract

The catalytic activity of Ti, V and Cr carbides in CO oxidation decreases in the order Cr23C6>Cr3C2>TiC0.75>VC0.84>TiC. The variation of activity is attributed to the different contributions of Me−Me interaction to the chemical bonds in carbides. A mechanism of CO oxidation involving intermediate carbonate-ion formation is suggested.

Abstract

Изучена каталитическая активность карбидов Ti, V, Cr в реакции окисления CO. Исследованньi;е катализаторьi обрзуiот ряд

$$Cr_{2 3} C_6 > Cr_3 C_2 > TiC_{0.75} > VC_{0.84} > TiC$$

Характер изменения активности объяснен различнои додеи вклада Ме-Ме-взаимо-действия в химичецкуiо связь карбида. Преддожен механизм окисления CO, прелусматриваiоший образование промежуточного карбонат-иона.

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References

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Authors and Affiliations

  1. Shevchenko State University, Kiev, USSR

    A. I. Kharlamov, N. V. Kirillova & V. K. Yatsimirskii

Authors
  1. A. I. Kharlamov
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  2. N. V. Kirillova
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  3. V. K. Yatsimirskii
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Kharlamov, A.I., Kirillova, N.V. & Yatsimirskii, V.K. Kinetics of CO oxidation over metal-like carbides. React Kinet Catal Lett 13, 105–110 (1980). https://doi.org/10.1007/BF02074179

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  • DOI: https://doi.org/10.1007/BF02074179

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