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题名: Selective catalytic reduction of NO with propene over Au/Fe2O3/Al2O3 catalysts
作者: Wang Xinkui1, 2;  Zhang Wansheng2;  Wang Aiqin2;  Wang Xiaodong2;  Yang Xuefeng1;  Zhang Tao2
关键词: gold nanoparticle ;  iron oxide ;  selective catalytic reduction ;  nitric oxide ;  propene
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2008-06-01
卷: 29, 期:6, 页:503-505
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: A series of Au/Fe2O3/Al2O3 Catalysts were prepared by the homogeneous deposition-precipitation method. The catalytic activity of the catalyst samples for selective catalytic reduction of NO by propene under oxygen-rich atmosphere was evaluated. The results showed that 2%Au/10%Fe2O3/Al2O3 exhibited good low-temperature activity. The maximum of NO conversion reached 43% at 300 degrees C, while it was only 21% over 2% Au/Al2O3 catalyst at the same temperature. The addition of 2% steam to the feed gas had little effect on the catalytic activity. X-ray diffraction results indicated that both An and Fe2O3 particles were highly dispersed over Al2O3. H-2-temperature-programmed reduction results indicated that there was strong interaction between An and Fe2O3, which made the reduction of Fe2O3 easy. The synergistic effect between An and Fe2O3 was probably responsible for the good catalytic performance of the Au/Fe2O3/Al2O3 catalyst at low ternperature.
关键词[WOS]: GAS SHIFT REACTION ;  GOLD CATALYSTS ;  METAL-OXIDES ;  WATER ;  OXIDATION ;  MONOXIDE ;  BEHAVIOR ;  OXYGEN
语种: 英语
WOS记录号: WOS:000257735100001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140791
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.Dalian Univ Technol, State Key Lab Fine Chem, Sch Chem Engn, Dalian 116012, Liaoning, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Wang Xinkui,Zhang Wansheng,Wang Aiqin,et al. Selective catalytic reduction of NO with propene over Au/Fe2O3/Al2O3 catalysts[J]. CHINESE JOURNAL OF CATALYSIS,2008,29(6):503-505.
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