Abstract
Silver-containing catalysts supported on ceramic silicon nitrides and modified with Zr or Al are considered. The catalytic activities of the catalysts in the dehydrogenation and oxidative dehydrogenation of ethanol into acetaldehyde are compared. The introduction of oxygen into the reaction mixture decreases the temperature of 100% ethanol conversion to 270°C and increases the acetaldehyde selectivity to 95% for all of the catalysts. According to temperature-programmed reduction data, the simultaneous presence of Fe and Ag on the catalyst surface enhances the activity of the supported catalysts. It is hypothesized that the Ag/Fe interface plays the key role in the formation of active sites on the catalyst surface.
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Lippits, M.J., Boer Iwema, R.R.H., and Nieuwenhuys, B.E., Catal. Today, 2009, vol. 145, p. 27.
Salaev, M.A., Krejker, A.A., Magaev, O.V., Malkov, V.S., Knyazev, A.S., Borisova, E.S., Khanaev, V.M., Vodyankina, O.V., and Kurina, L.N., Chem. Eng. J., 2011, vol. 172, p. 399.
Simakova, O.A., Sobolev, V.I., Koltunov, K.Yu., Campo, B., Leino, A.-R., Kordas, K., and Murzin, D.Yu., ChemCatChem, 2010, vol. 2, p. 1535.
Sobolev, V.I. and Koltunov, K.Yu., ChemCatChem, 2011, vol. 3, p. 1143.
Guan, Y. and Hensen, E.J.M., Appl. Catal., A, 2009, vol. 361, p. 49.
Chukhlomina, L.N., Rus. J. Appl. Chem., 2007, vol. 80, no. 11, p. 1793.
Vodyankina, O.V., Blokhina, A.S., Kurzina, I.A., Sobolev, V.I., Koltunov, K.Yu., Chuhlomina, L.N., and Dvilis, E.S., Catal. Today (in press), doi 10.1016/j.cattod.2012.02.05
Kurzina, I.A., Chukhlomina, L.N., Blokhina, A.S., and Vodyankina, O.V., Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 2010, vol. 53, no. 1, p. 50.
Siani, A., Alexeev, O.S., Lafaye, G., and Amiridis, M.D., J. Catal., 2009, vol. 266, p. 26.
Capote, A.J. and Madix, R.J., J. Am. Chem. Soc., 1989, vol. 111, p. 3570.
Zhou, H., Wang, J.Y., Chen, X., O’Young, C.L., and Suib, S.L., Microporous Mesoporous Mater., 1998, vol. 21, p. 315.
Chen, J., Li, J., Huang, X., and Shen, W., Chin. J. Catal., 2007, vol. 28, p. 1034.
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Original Russian Text © A.S. Blokhina, I.A. Kurzina, V.I. Sobolev, K.Yu. Koltunov, G.V. Mamontov, O. V Vodyankina, 2012, published in Kinetika i Kataliz, 2012, Vol. 53, No. 4, pp. 499–504.
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Blokhina, A.S., Kurzina, I.A., Sobolev, V.I. et al. Selective oxidation of alcohols over Si3N4-supported silver catalysts. Kinet Catal 53, 477–481 (2012). https://doi.org/10.1134/S0023158412040015
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DOI: https://doi.org/10.1134/S0023158412040015