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学科主题: 物理化学
题名: Effects of Zinc and Magnesium Addition to ZSM-5 on the Catalytic Performances in 1-hexene Aromatization Reaction
作者: Li, Xiujie1;  Liu, Shenglin1;  Zhu, Xiangxue1;  Wang, Yuzhong1;  Xie, Sujuan1;  Xin, Wenjie1;  Zhang, Ling1;  Xu, Longya1
通讯作者: 徐龙伢
关键词: Aromatization ;  Isomerization ;  Zinc ;  Magnesium ;  ZSM-5 ;  Alumina binder
刊名: CATALYSIS LETTERS
发表日期: 2011-10-01
DOI: 10.1007/s10562-011-0677-0
卷: 141, 期:10, 页:1498-1505
收录类别: SCI
文章类型: Article
部门归属: 8
项目归属: 804
产权排名: 1,1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
摘要: Effects of Zinc and Magnesium Addition to ZSM-5 on the Catalytic Performances in 1-hexene Aromatization Reaction
研究领域[WOS]: Chemistry
英文摘要: Effects of Zn and Mg addition on the catalytic performances of ZSM-5 in 1-hexene aromatization and isomerization were investigated. NH(3)-TPD and Pyridine-IR spectra revealed that the addition of Zn could increase the Lewis acidity amount of the support. And the catalytic aromatization activity was improved. Introduction of Mg resulted in a decrease of total acidity, especially for BrI center dot nsted acid sites which was beneficial for the high iso-paraffin and liquid product yield. The optimal modification way on ZSM-5 was obtained as addition of Mg with successive Zn introduction which may lead to the presence of Zn species inside of the zeolite channel evidenced by XPS results. The close proximity of Zn species to BrI center dot nsted acid sites may enhance the synergy effect between them in the aromatization reaction. The optimized Zn-Mg/HZSM-5 sample also exhibited good catalytic performance when using FCC gasoline as reactant.
关键词[WOS]: ZEOLITE CATALYSTS ;  PROPANE AROMATIZATION ;  LIGHT ALKANES ;  FCC GASOLINE ;  ACID SITES ;  N-HEXANE ;  IN-SITU ;  ALUMINA ;  ZN ;  SPECTROSCOPY
语种: 英语
WOS记录号: WOS:000295519500014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/115295
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, State Key Lab Catalysis, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Li, Xiujie,Liu, Shenglin,Zhu, Xiangxue,et al. Effects of Zinc and Magnesium Addition to ZSM-5 on the Catalytic Performances in 1-hexene Aromatization Reaction[J]. CATALYSIS LETTERS,2011,141(10):1498-1505.
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