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- W2390351285 abstract "The Nb_2O_5/α-Al_2O_3 catalyst was prepared by impregnation method and used for ethylene oxide (EO) hydration to form ethylene glycol. The effects of the calcination temperature on the structure, acidity, and the catalytic performance of the catalyst were investigated by using X-ray diffraction, thermogravimetry and differential thermal analysis, infrared spectroscopy, temperature-programmed desorption of NH_3, temperature-programmed desorption of EO, scanning electron microscopy, and transmission electron microscopy. It was found that the crystal form of niobium oxide, the catalyst acidity, and the EO adsorption strength were markedly influenced by the calcination temperature, which resulted in the dependence of EO conversion and ethylene glycol selectivity on the calcination temperature. The reaction results were discussed in terms of the strength and density of acidity resulted from the different structure formed at various calcination temperature." @default.
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- W2390351285 date "2006-01-01" @default.
- W2390351285 modified "2023-09-25" @default.
- W2390351285 title "Effect of Calcination Temperature on Structure and Catalytic Performance of Nb_2O_5/α-Al_2O_3 Catalyst for Ethylene Oxide Hydration" @default.
- W2390351285 hasPublicationYear "2006" @default.
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