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题名: Mechanistic Studies on the Coupled Reaction of n-Hexane and Ethanol Over HZSM-5 Zeolite Catalyst
作者: Wan, Jinlong1, 2;  Chang, Fuxiang1;  Wei, Yingxu1;  Xia, Qinghua1, 3;  Liu, Zhongmin1
通讯作者: 刘中民
关键词: n-Hexane ;  Ethanol ;  HZSM-5 ;  Coupled reaction ;  Mechanism
刊名: CATALYSIS LETTERS
发表日期: 2009-02-01
DOI: 10.1007/s10562-008-9687-y
卷: 127, 期:3-4, 页:348-353
收录类别: SCI
文章类型: Article
部门归属: 12
项目归属: 12
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 coupled reaction of n-hexane and ethanol over HZSM-5 zeolite has been, for the first time, investigated with a pulse-reaction system. The catalytic reaction results showed an improvement of the initial conversion activity of n-hexane when ethanol was introduced as co-reactant. The FT-IR analysis revealed that the ethanol molecules adsorbed on Bronsted acidic sites were immediately transformed into surface ethoxy groups, which were active species for converting n-hexane and improving the initial conversion activity of n-hexane by a bimolecular hydride transfer mode. Also, the catalytic tests suggested that alkenes resulting from the transformation of ethanol could not enhance the initial conversion of n-hexane compared to active ethoxy groups at the shortest contact time. A mechanism involving the ethoxy groups was proposed to understand the coupled reaction of ethanol and n-hexane.
关键词[WOS]: NONCLASSICAL CARBONIUM-IONS ;  METHANOL CONVERSION ;  CHEMICAL-IONIZATION ;  ACIDIC CATALYSTS ;  GAMMA-ALUMINA ;  LIGHT OLEFINS ;  HYDROCARBONS ;  CRACKING ;  ADSORPTION ;  PARAFFINS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000262490200016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/102031
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, Nat Gas Utilizat & Appl Catalysis Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Hubei Univ, Key Lab Synth & Applicat Organ Funct Mol, Minist Educ, Wuhan 430062, Peoples R China

Recommended Citation:
Wan, Jinlong,Chang, Fuxiang,Wei, Yingxu,et al. Mechanistic Studies on the Coupled Reaction of n-Hexane and Ethanol Over HZSM-5 Zeolite Catalyst[J]. CATALYSIS LETTERS,2009,127(3-4):348-353.
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