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The reaction of direct transformation of ethanol to ethyl acetate was investigated on reduced Cu/ZrO 2 catalysts prepared by a co-precipitation procedure. The catalytic performances of these Cu-Zr mixed oxides were considerably influenced by changing the molar ratio of Cu to Zr. The highest selectivity to ethyl acetate was found over Cu/ZrO 2 (1) catalyst (molar ratio of Cu to Zr was 1). A variety of characterization techniques, such as N 2 adsorption, XRD, XPS, TPR and NH 3 -TPD were carried out on the catalysts. The results revealed that the presence of a certain amount of Cu ? species may play very important role in improving the selectivity to ethyl acetate of the Cu/ZrO 2 catalysts.

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