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题名: Partial oxidation of ethane to syngas over nickel-based catalysts modified by alkali metal oxide and rare earth metal oxide
作者: Liu, SL;  Xiong, GX;  Yang, WS;  Xu, LY;  Xiong, G;  Li, C
关键词: partial oxidation of ethane ;  syngas ;  nickel-based catalysts ;  modification ;  alkali metal oxide ;  rare earth metal oxide ;  thermal stability ;  carbon deposition
刊名: CATALYSIS LETTERS
发表日期: 1999
卷: 63, 期:3-4, 页:167-171
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 catalytic activity, thermal stability and carbon deposition of various modified NiO/gamma-Al2O3 and unmodified NiO/gamma-Al2O3 catalysts were investigated with a flow reactor, XRD, TG and UVRRS analysis. The activity and selectivity of the NiO/gamma-Al2O3 catalyst showed little difference from those of the modified nickel-based catalysts. However, modification with alkali metal oxide (Li, Na, K) and rare earth metal oxide (La, Ce, Y, Sm) can improve the thermal stability of the NiO/gamma-Al2O3 and enhance its ability to suppress carbon deposition during the partial oxidation of ethane (POE). The carbon deposition contains graphite-like species that were detected by UVRRS. The nickel-based catalysts modified by alkali metal oxide and rare earth metal oxide have excellent catalytic activities (C2H6 conversion of similar to 100%, CO selectivity of similar to 94%, 7x 10(4) l/(kg h), 1123 K), good thermal stability and carbon-deposition resistance.
关键词[WOS]: SHORT-CONTACT TIMES ;  CARBON-DEPOSITION ;  METHANE ;  MONOLITHS ;  STABILIZATION ;  ETHYLENE ;  SUPPORTS ;  ALUMINA
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000084274000009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/86611
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.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Liu, SL,Xiong, GX,Yang, WS,et al. Partial oxidation of ethane to syngas over nickel-based catalysts modified by alkali metal oxide and rare earth metal oxide[J]. CATALYSIS LETTERS,1999,63(3-4):167-171.
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