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题名: Facile synthesis of ag-hollandite nanofibers and their catalytic activity for ethanol selective oxidation
作者: Chen Junli1;  Juan, Li1;  Liu Qiying1;  Huang Xiumin1;  Shen Wenjie1
关键词: silver ;  hollandite ;  nanofiber ;  ethanol oxidation
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2007-12-01
卷: 28, 期:12, 页:1034-1036
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: Ag-hollandite nanofibers were synthesized by refluxing a mixture of AgMnO4 and Mn(NO3)(2) in nitrate acid solution at 373 K and used for ethanol selective oxidation. The X-ray diffraction pattern showed that the main crystalline phase was Ag-hollandite, but a small amount of pyrolusite was also formed. The N-2 adsorption-desorption isotherms confirmed the presence of a microporous structure. Field emission scanning electron microscopy and transmission electron microscopy showed that the lengths of the nanofibers were 0.5-4.0 mu m, and the diameters were 10 - 20 nm. The Ag-hollandite nanofibers gave a promising catalytic performance for ethanol selective oxidation to acetaldehyde, with an ethanol conversion of 82% and acetaldehyde selectivity of 95% at 503 K for 120 h time-on-stream.
关键词[WOS]: OCTAHEDRAL MOLECULAR-SIEVES ;  CO OXIDATION ;  MANGANESE ;  SILVER
语种: 英语
WOS记录号: WOS:000252416200004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140730
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, Liaoning, Peoples R China

Recommended Citation:
Chen Junli,Juan, Li,Liu Qiying,et al. Facile synthesis of ag-hollandite nanofibers and their catalytic activity for ethanol selective oxidation[J]. CHINESE JOURNAL OF CATALYSIS,2007,28(12):1034-1036.
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