负载型CeO_2催化剂上CO_2氧化乙烷制乙烯反应研究  

Oxidative dehydrogenation of ethane with CO_(2)over supported CeO_(2) catalyst

作　　者：张秀玲[1] 谢品品[1] 袁学德[1] 王静[1] 齐锐[1] 

机构地区：[1]大连大学物理科学与技术学院,辽宁大连116622

出　　处：《大连大学学报》2006年第6期26-29,34,共5页Journal of Dalian University

基　　金：国家自然科学基金资助项目(20476013)

摘　　要：采用浸渍法制备负载型CeO2催化剂,应用XRD、SEM技术对所制催化剂进行物相和形貌分析.在常压连续流动固定床石英反应器上考察其在CO2氧化乙烷制乙烯反应的催化性能,实验结果表明:CeO2/-γA l2O3催化剂对CO2氧化乙烷制乙烯反应具有较好的催化活性.当CeO2负载量为15%时,乙烷的转化率为25.8%,乙烯的选择性和收率分别为95.8%和24.7%.A series of CeO2 catalysts was prepared by impregnation method. The catalysts were characterized with XRD and SEM techniques. The catalytic performance for oxidative dehydrogenation of ethane was studied in the continuous flowing fixed-bed reactor at room pressure. Experimental results indicated that the CeO2/γ-Al2O3 catalyst showed higher catalytic activity. The conversation of ethane was 25. 8%, the selectivity and yield of ethylene was 95.8% and 24. 7% respectively,when the loading of CeO2 was 15%.

关 键 词：二氧化铈 二氧化碳 乙烷 氧化脱氢 乙烯 

分 类 号：TQ203.2[化学工程—有机化工]