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题名: The state of Rh during the partial oxidation of methane into synthesis gas
作者: Tian, ZJ;  Dewaele, O;  Marin, GB
关键词: methane partial oxidation ;  synthesis gas ;  DRIFTS ;  supported Rh catalyst
刊名: CATALYSIS LETTERS
发表日期: 1999
卷: 57, 期:1-2, 页:9-17
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The partial oxidation of methane to synthesis gas over an alpha-Al2O3- and gamma-Al2O3-supported Rh catalyst has been studied at atmospheric pressure using in situ DRIFTS between 823 and 973 K. A surface intermediate species with IR band at 2000 cm(-1), correlating with the CO formation, was observed during the partial oxidation. DRIFT spectra of adsorbed CO at 323 K were used to study the state of Rh during the partial oxidation. The state of Rh at 973 K is proposed to be a matrix of metallic rhodium with clusters of partially reduced oxide phase with isolated Rh+ atoms dispersed on the support. Rh oxide with Rh+ cations is the state of Rh during partial oxidation of methane at 823 K.
关键词[WOS]: REACTION-MECHANISM ;  CO CHEMISORPTION ;  METAL CATALYSTS ;  RHODIUM ;  RH/AL2O3 ;  TRANSIENT ;  TOPOLOGY
语种: 英语
WOS记录号: WOS:000078792000002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138594
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.State Univ Ghent, Petrochem Tech Lab, B-9000 Ghent, Belgium
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Tian, ZJ,Dewaele, O,Marin, GB. The state of Rh during the partial oxidation of methane into synthesis gas[J]. CATALYSIS LETTERS,1999,57(1-2):9-17.
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