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1 2009

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Direct Transformation of Ethanol to Ethyl Acetate over MoSx/C Catalyst

Wang L. X., Zheng D. F., Ma C. X., Zhu W. C., Liu S. Y., Cui J., Wang Z. L., Zhang W. X.

Polish Journal of Chemistry

2009

Vol. 83, nr 11

1993-2000

Activated carbon-supported sulfided molybdenum catalysts were tested in transformation of ethanol to ethyl acetate. The catalytic activity of MoSx/C catalysts was found to depend strongly on preparation procedure. Surface atomic ratio of S/Mo on these catalysts was different and the catalyst with the ratio of S/Mo = 2.2 had better catalytic properties. For the purpose of enhancement of catalytic activity, the treatment of activated carbon support by HNO3 had been applied. Physicochemical characterization showed that the pretreatment was effective in obtaining a highly dispersed molybdenum species on the surface of the catalyst, which led to an in crease in conversion of ethanol.