The role of CO₂ in dehydrogenation of ethylbenzene over pure α-Fe₂O₃ catalysts with different facets

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• 作者：Conghui Wang^a ; ^d ; Jing Shi^b ; Xinmin Cui^a ; ^d ; Jing Zhang^a ; ^d ; Chenghua Zhang^a ; ^c ; Liancheng Wang^a ; Baoliang Lv^a ; ^{lbl604@sxicc.ac.cn}
• 关键词：α-Fe2O3 ; Ethylbenzene dehydrogenation ; Crystal facets ; Active sites
• 刊名：Journal of Catalysis
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：345
• 期：Complete
• 页码：104-112
• 全文大小：2494 K
• 卷排序：345

文摘

α-Fe2O3 nanocrystals with clean (113), (104), and (102) facets exposure. (113) facets show higher reactivities to EB dehydrogenation in the presence of CO2. The adsorption behavior of CO2 on different facets results in different activities. O (III) on α-Fe2O3 is favorable for the adsorption and activation of CO2.