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Effect of Alkaline-Earth Metal Mg on Cu-ZnO/SiO_2 Catalysts in Dehydrogenation of 2-Butanol

SHAN Hong-yan,YU Bo(Experimental Center of Testing Science,Jilin University,Changchun 130021,China)  
A series of Cu-ZnO/MgO-SiO2 catalysts were prepared via impregnation method with the support SiO2 modified by different contents of Mg and examined in dehydrogenation of 2-butanol.The effects of content of Mg on the structure and property of the catalysts were characterized by means of XRD,TPD and TPR technologies.The results indicate that the content of Mg can improve the dispersion of copper and the acid property of the catalysts.So,the appropriate content of Mg can improve the activity performance of Cu-ZnO/MgO-SiO2 catalysts.
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