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题名: A silica-immobilized Pt(2+) catalyst for the selective, aerobic oxidation of methane via an electron-transfer chain
作者: An, Zengjian1;  Pan, Xiulian1;  Liu, Xiumei1;  Han, Xiuwen1;  Bao, Xinhe1
关键词: methane ;  platinum ;  selective oxidation ;  electron-transfer chain
刊名: JOURNAL OF NATURAL GAS CHEMISTRY
发表日期: 2008-06-01
卷: 17, 期:2, 页:120-124
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 ;  Energy & Fuels ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Engineering
英文摘要: The combination of Pt(2+), benzoquinone and NaNO(2) forms an electron-transfer chain, which leads to the oxidation of methane by O(2) in CF(3)COOH aqueous solution. The overall turnover number per hour (TOF) of methane at 120 degrees C is 0.5 h(-1), however, only about one fourth (23%) of methane is converted to the desired product of methanol in the formation of CF(3)COOCH(3). The over-oxidation of methane to CO(2), over the catalyst with the Pt(2+) species immobilized via 2,2'-bipyridyl as a ligand on the silica substrate, is depressed distinctly. Under the same conditions, the conversion to methanol dominates, and no CO(2) is observed, on account of the over-oxidation of methane, as confirmed by the isotope experiment.
关键词[WOS]: PLATINUM SALTS
语种: 英语
WOS记录号: WOS:000257686500002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140880
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:
An, Zengjian,Pan, Xiulian,Liu, Xiumei,et al. A silica-immobilized Pt(2+) catalyst for the selective, aerobic oxidation of methane via an electron-transfer chain[J]. JOURNAL OF NATURAL GAS CHEMISTRY,2008,17(2):120-124.
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