CO_(2)氧化乙烷脱氢制乙烯铬基催化剂研究进展  

Review on Cr-based catalysts for oxidative dehydrogenation of ethane to ethylene by CO_(2)

作　　者：李鹏阳 王改荣 李晓琪 张彩东 李兰杰 田志强 Li Pengyang;Wang Gairong;Li Xiaoqi;Zhang Caidong;Li Lanjie;Tian Zhiqiang(HBIS Materials Technology Research Institute,Shijiazhuang 050023,Hebei,China;Technology Center,HanSteel Company,HBIS Group,Handan 056015,Hebei,China)

机构地区：[1]河钢材料技术研究院,河北石家庄050023 [2]河钢集团邯钢公司技术中心,河北邯郸056015

出　　处：《工业催化》2024年第1期20-26,共7页Industrial Catalysis

摘　　要：CO_(2)氧化乙烷脱氢制乙烯具有热力学更可行,乙烷转化率和乙烯选择性高,抑制积炭以及缓解温室效应等优点,备受研究者关注。综述近年来CO_(2)氧化乙烷脱氢制乙烯中铬基催化剂的研究进展,重点介绍铬催化的CO_(2)氧化乙烷脱氢反应机理,评述调变载体、助剂以及制备方法对催化性能的影响,并对后续催化剂的研究方向和应用前景作了展望。The dehydrogenation of ethane in CO_(2)has attracted much attention due to the advantages of more thermodynamic feasibility,higher ethane conversion and ethylene selectivity,inhibition of carbon accumulation,and can also alleviate the greenhouse effect,etc.In this review,recent research progress of Cr-based catalysts for dehydrogenation of ethane to ethylene in CO_(2)were elaborated.The reaction mechanism of Cr-catalyst,effects of support modification,promoters and preparation methods on catalytic perf-ormance were introduced,and prospects as well as future applications of the catalysts were outlined.

关 键 词：催化剂工程 二氧化碳 乙烷脱氢 铬基催化剂 反应机理 

分 类 号：TQ426.6[化学工程] O643.36[理学—物理化学]