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题名: Oxidehydrogenation of ethane over CeO2-based catalysts modified with lanthanum
作者: Bueno, G;  Valenzuela, RX;  Xu, YD;  Chen, CL;  Corberan, VC
刊名: REVUE ROUMAINE DE CHIMIE
发表日期: 1999-11-01
卷: 44, 期:11-12, 页:1067-1071
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: Addition of La2O3 to CeO2 increases the selectivity to ethene ill the oxidehydrogenation of ethane on La2O3- CeO2 catalysts at temperatures below 773 K, ht low contents (La:Ce = 0.2), La is incorporated into the network of CeO2, modifying the surface properties of this phase, while at higher contents (La :Ce = 1.06) a separate La2O3 phase is formed onto the surface of ceria. The phase surface composition determines the product distribution. The reaction order in oxygen is lower for the La2O3-CeO2 catalysts than for CeO2, indicating than La addition reduces the oxianion mobility in the network.
关键词[WOS]: OXIDATIVE DEHYDROGENATION ;  OXIDE CATALYSTS ;  METHANE ;  SELECTIVITY ;  CONDUCTIVITY
语种: 英语
WOS记录号: WOS:000089451600010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138589
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.CSIC, Inst Catalisis & Petroleoquim, Madrid, Spain
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Bueno, G,Valenzuela, RX,Xu, YD,et al. Oxidehydrogenation of ethane over CeO2-based catalysts modified with lanthanum[J]. REVUE ROUMAINE DE CHIMIE,1999,44(11-12):1067-1071.
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