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题名: Decomposition of cyclohexyl hydroperoxide over transition metal-free zeolite, H-beta
作者: Sun, Zhiqiang;  Xu, Jie;  Du, Zhongtian;  Zhang, Wei
关键词: cyclohexyl hydroperoxide ;  zeolite ;  H-beta ;  decomposition
刊名: APPLIED CATALYSIS A-GENERAL
发表日期: 2007-04-30
DOI: 10.1016/j.apcata.2007.02.003
卷: 323, 页:119-125
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Life Sciences & Biomedicine
类目[WOS]: Chemistry, Physical ;  Environmental Sciences
研究领域[WOS]: Chemistry ;  Environmental Sciences & Ecology
英文摘要: Cyclohexyl hydroperoxide, a key intermediate in the cyclohexane autoxidation for the manufacture of cyclohexanone and cyclohexanol, was decomposed over transition metal-free zeolite H-beta. The CHHP decomposition efficiency reached 191 mmol g(-1) h(-1), which is almost equal to that over 5% Ru/Al2O3 under the same conditions. The highest combined yield of cyclohexanol and cyclohexanone reached 84.6 mol% at 125 degrees C. Elevation of reaction temperature can increase the activity and selectivity to cyclohexanone. Correlating study between the catalytic activity and the acidity reveals that the medium strength Bronsted acid sites of H-beta are the main active centers for the decomposition reaction. (C) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: SELECTIVE DECOMPOSITION ;  CATALYSTS ;  OXIDATION ;  AIR
语种: 英语
WOS记录号: WOS:000246754200014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140444
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, Grad Sch, Dalian 116023, Peoples R China

Recommended Citation:
Sun, Zhiqiang,Xu, Jie,Du, Zhongtian,et al. Decomposition of cyclohexyl hydroperoxide over transition metal-free zeolite, H-beta[J]. APPLIED CATALYSIS A-GENERAL,2007,323:119-125.
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