Transformation of ethanol to ethyl acetate over Cu/SiO2 catalysts modified by ZrO2
作者： Xue Yu , Wan-chun Zhu , Shuang Gao , Li-li Chen , Hong-jing Yuan
DOI: 10.1007/S40242-013-3024-8
关键词: Dehydrogenation 、 Catalysis 、 Inorganic chemistry 、 Fourier transform infrared spectroscopy 、 Lewis acids and bases 、 Brønsted–Lowry acid–base theory 、 Acetaldehyde 、 Ethyl acetate 、 Ethanol 、 Chemistry 、 General chemistry
摘要: Direct transformation of ethanol to ethyl acetate was investigated on a series Cu(ZrO2)/SiO2 catalysts. Inductively coupled plasma(ICP), surface area analysis, X-ray diffraction(XRD), H2-temperature programmed reduction(H2-TPR), photoelectron spectroscopy(XPS), NH3-temperature desorption(NH3-TPD) and Fourier transform-infrared spectroscopy(FTIR) techniques were used characterize the The results reveal that ZrO2 can improve dispersion copper species increase acidity Cu0 is responsible for dehydrogenation acetaldehyde, both Lewis acid Bronsted sites in favor selectivity acetate. synergistic effect an appropriate amount acidic played important role production
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