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题名: Study of Mn-based catalysts for oxidative dehydrogenation of cyclohexane to cyclohexene
作者: Zhu, HI;  Ge, QJ;  Li, WZ;  Liu, XB;  Xu, HY
通讯作者: 李文钊
关键词: cyclohexane ;  cyclohexene ;  oxidative dehydrogenation ;  Mn-based catalysts
刊名: CATALYSIS LETTERS
发表日期: 2005-11-01
DOI: 10.1007/s10562-005-8001-5
卷: 105, 期:1-2, 页:29-33
收录类别: SCI
文章类型: Article
部门归属: 8
项目归属: 801
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The gas-phase oxidative dehydrogenation (ODH) of cyclohexane to cyclohexene in the presence of molecular oxygen has been studied over various Mn-based catalysts. It is found that LiCl/MnOx/PC (Portland cement) catalyst exhibits the highest catalytic performance, and a 42.8% cyclohexane conversion, 58.8% cyclohexene selectivity and 25.2% cyclohexene yield can be achieved under 600 degrees C, 20,000 h(-1) and C6H12/O-2/N-2= 14/7/79. There are good correlations between the selectivities to cyclohexene and the electrical conductivities of Li doped Mn-based catalysts, from which it is deduced that the non-fully reduced oxygen species (O-2(-), O-2(2-), O-) involved in a new phase of LiMn2O4 might be responsible for the high selectivity toward cyclohexene, whereas the Mn2O3 crystal phase results in the COx formation. The selectivity to cyclohexene increases with increasing molar ratio of Li to Mn in LiCl/ MnOx/PC.
关键词[WOS]: OXIDE ;  ETHANE ;  ETHENE ;  CL
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000232697100005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/92767
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

Recommended Citation:
Zhu, HI,Ge, QJ,Li, WZ,et al. Study of Mn-based catalysts for oxidative dehydrogenation of cyclohexane to cyclohexene[J]. CATALYSIS LETTERS,2005,105(1-2):29-33.
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