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Experimental evidence for the existence of a Co−Mo bilayer on CoMo/γ-Al2O3 hydrodesulfurization catalysts

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Abstract

In the oxidic precursor form of CoMo/γ-Al2O3 hydrodesulfurization catalysts, the fraction of cobalt forming the CoMo bilayer and that which combines with the support are affected by the calcination temperature. DRS and XPS techniques were used to monitor CoAl2O4 formation. The results indicate that CoAl2O4 is formed at the expense of the CoMo bilayer.

Abstract

В окисной предшествующей форме CoMo/γ-Al2O3-катализатора гидродесульфурирования кобальта, образующего двойной слой CoMo, и фракция, присоединяющаяся к носителю, зависят от температуры обжига. Техника ОРЅ и ХРЅ были использованы для регистрации образования CoAl2O4. Результаты указывают на то, что CoAl2O4 овразуется за счет двойного слоя CoMo.

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References

  1. J. M. J. G. Lipsch, G. C. A. Schuit: J. Catal.,15, 174 (1969).

    Google Scholar 

  2. G. C. A. Schuit, B. C. Gates: A. I. Ch. E. Journal,19, 417 (1973).

    Google Scholar 

  3. J. T. Richardson: Ind. Eng. Chem. Fundamentals,3, 154 (1964).

    Google Scholar 

  4. J. H. Ashley, P. C. H. Mitchell: J. Chem. Soc. (A), 2821 (1968).

  5. J. H. Ashley, P. C. H. Mitchell: J. Chem. Soc. (A), 2730 (1969).

  6. B. Delmon, P. Grange, M. A. Apecetche, P. Gajardo, F. Delannay: C. R. Acad. Sc., Série C, Paris,287, 401 (1978).

    Google Scholar 

  7. B. Delmon, P. Grange, P. Gajardo, F. Delannay: C. R. Acad. Sc., Série C, Paris,288, 391 (1979).

    Google Scholar 

  8. J. Sonnemans, P. Mars: J. Catal.,31, 209 (1973).

    Google Scholar 

  9. T. Franzen, O. Van der Meer, P. Mars: J. Catal.,42, 79 (1976).

    Google Scholar 

  10. W. K. Hall, M. Lo Jacono: Proc 6th International Congress on Catalysis (G. C. Bond, P. B. Wells, F. C. Tompkins, Eds.), p. 246. The Chemical Society, London 1976.

    Google Scholar 

  11. P. Gajardo, P. Grange, B. Delmon: J. Catal. (submitted).

  12. M. Lo Jacono, A. Cimino, G. C. A. Schuit: Gazz. Chim. Ital.,103, 1281 (1973).

    Google Scholar 

  13. J. Grimblot, J. P. Bonnelle: J. Electron Spect.,9, 449 (1976).

    Google Scholar 

  14. R. Moné: in “Preparation of Catalysts” (B. Delmon, P. A. Jacobs, G. Poncelet, Eds.), p. 381, Elsevier, Amsterdam 1976.

    Google Scholar 

  15. M. A. Apecetche, M. Houalla, B. Delmon (in press).

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Authors and Affiliations

  1. Groupe de Physico-Chimie Minérale et de Catalyse, Université Catholique de Louvain, Place Croix du Sud 1, B1348, Louvain-la-Neuve, Belgium

    M. A. Apecetche & B. Delmon

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  1. M. A. Apecetche
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  2. B. Delmon
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Apecetche, M.A., Delmon, B. Experimental evidence for the existence of a Co−Mo bilayer on CoMo/γ-Al2O3 hydrodesulfurization catalysts. React Kinet Catal Lett 12, 385–392 (1979). https://doi.org/10.1007/BF02064273

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  • DOI: https://doi.org/10.1007/BF02064273

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