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题名: Coupling of methane under pulse corona plasma (I) - In the absence of oxygen
作者: Zhu, AM;  Gong, WM;  Zhang, XL;  Zhang, B
关键词: dehydrogenative coupling of methane ;  pulse corona plasma ;  energy efficiency
刊名: SCIENCE IN CHINA SERIES B-CHEMISTRY
发表日期: 2000-04-01
卷: 43, 期:2, 页:208-214
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: At normal temperature and pressure, pulse corona plasma was used as a new method for the dehydrogenative coupling of methane in the absence of oxygen. The effects of voltage polarity and input energy on the dehydrogenative coupling of methane were investigated. The parameter "energy efficiency" was introduced to examine the coupling of the input energy and the dehydrogenative coupling of methane. The experimental results show that positive corona gives higher energy efficiency than negative corona. When the positive corona was chosen, C-2 yield per pass was 31.6% and acetylene yield per pass was 30.1% with 44.6% methane conversion at an input energy density of 1788kJ/mol and a pulse repetition frequency of 66Hz. The function of input energy density towards methane conversion may be expressed as a formula of -ln(1-X) = k (P/F). In the range of input energy employed, C-2 yield is proportional to input energy density, but energy efficiency drops off with increasing input energy density.
关键词[WOS]: MICROWAVE PLASMAS ;  CONVERSION
语种: 英语
WOS记录号: WOS:000086745700013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138756
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, Dalian 116023, Peoples R China
2.Dalian Univ Technol, Lab Comprehens Utilizat Carbonaceous Resources, Dalian 116012, Peoples R China

Recommended Citation:
Zhu, AM,Gong, WM,Zhang, XL,et al. Coupling of methane under pulse corona plasma (I) - In the absence of oxygen[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,2000,43(2):208-214.
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