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题名: Autothermal reforming of n-octane on Ru-based catalysts
作者: Qi, AD;  Wang, SD;  Fu, GZ;  Wu, DY
通讯作者: 亓爱笃
关键词: hydrogen ;  autothermal reforming ;  noble metal catalyst ;  fuel processor ;  PEMFC ;  distributed power system
刊名: APPLIED CATALYSIS A-GENERAL
发表日期: 2005-09-28
DOI: 10.1016/j.apcata.2005.07.009
卷: 293, 页:71-82
收录类别: SCI
文章类型: Article
部门归属: 9
项目归属: 901
产权排名: 2;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Life Sciences & Biomedicine
类目[WOS]: Chemistry, Physical ;  Environmental Sciences
研究领域[WOS]: Chemistry ;  Environmental Sciences & Ecology
英文摘要: In an attempt to effectively integrate catalytic partial oxidation (CPO) and steam reforming (SR) reactions on the same catalyst, autothermal reforming (ATR) of n-octane was addressed based on thermodynamic analysis and carried out on a non-pyrophoric catalyst 0.3 wt.% Ru/K2O-CeO2/gamma-Al2O3. The ATR of n-octane was more efficient at the molar ratio Of O-2/C 0.35-0.45 and H2O/C 1.6-2.2 (independent parameters), respectively, and reforming temperature of 750-800 degrees C (dependent parameter). Among the sophisticated reaction network, the main reaction thread was deducted as: long-chain hydrocarbon -> CH4, short-chain hydrocarbon -> CO2, CO and H-2 formation by steam reforming, although the parallel CPO, decomposition and reverse water gas shift reaction took place on the same catalyst. Low temperature and high steam partial pressure had more positive effect on CH4 SR to produce CO2 other than CO. This was verified by the tendency of the outlet reformate to the equilibrium at different operation conditions. Furthermore, the loss of active components and the formation of stable but less active components in the catalyst in the harsh ATR atmosphere firstly make the CO inhibition capability suffer, then eventually aggravated the ATR performance, which was verified by the characterizations of X-ray fluorescence, BET specific surface areas and temperature programmed reduction. (c) 2005 Elsevier B.V. All rights reserved.
关键词[WOS]: FUEL-CELL ;  HYDROGEN-PRODUCTION ;  HYDROCARBON FUELS ;  PARTIAL OXIDATION ;  SUPPORTED NI ;  RH CATALYSTS ;  METHANE ;  OPTIMIZATION ;  ISOOCTANE ;  KINETICS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000232436200008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/92669
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.Royal Mil Coll Canada, Dept Chem & Chem Engn, Kingston, ON K7K 7B4, Canada
2.Dalian Inst Chem Phys, Dept Environm & Energy Engn, Dalian 116023, Peoples R China

Recommended Citation:
Qi, AD,Wang, SD,Fu, GZ,et al. Autothermal reforming of n-octane on Ru-based catalysts[J]. APPLIED CATALYSIS A-GENERAL,2005,293:71-82.
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