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题名: Differences between Zn/HZSM-5 and Zn/HZSM-11 zeolite catalysts in alkylation of benzene with dimethyl ether
作者: Liu, Hui1, 2;  Wei, Huijuan1, 2;  Xin, Wenjie1;  Song, Chao1, 2;  Xie, Sujuan1;  Liu, Zhenni1;  Liu, Shenglin1;  Xu, Longya1
关键词: dimethyl ether ;  benzene ;  Zn/ZSM-11 ;  Zn/ZSM-5 ;  sorption
刊名: JOURNAL OF ENERGY CHEMISTRY
发表日期: 2014-09-01
DOI: 10.1016/S2095-4956(14)60192-3
卷: 23, 期:5, 页:617-624
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Energy & Fuels ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Engineering
英文摘要: HZSM-11 zeolite supported Zn catalysts with different Zn contents (xZn/HZSM-11A) were prepared. In the alkylation of benzene with dimethyl ether (DME) in a fixed bed reactor, the catalyst with Zn content of 6 wt% (6Zn/HZSM-11A) showed appropriate performance. Focus was put on the comparison between 6Zn/HZSM-5 and 6Zn/HZSM-11 with the same crystal size of 600-800 nm, and also with the similar BET surface area, micropore volume, Si/Al2 molar ratio, and acidity. In the alkylation of benzene with DME, the 6Zn/HZSM-11 showed better activity and stability, and especially enhanced the conversion of benzene and selectivities to xylene and trimethylbenzene, compared with the 6Zn/HZSM-5. This was mainly related to the higher adsorption capacity and adsorption-desorption rates to the three adsorbates (benzene, m-xylene and 1,3,5-trimethylbenzene) over the 6Zn/HZSM-11 in comparison with the 6Zn/HZSM-5.
关键词[WOS]: AROMATIZATION ;  METHANOL ;  METHYLATION ;  ALCOHOLS ;  ETHYLENE ;  HZSM-5
语种: 英语
WOS记录号: WOS:000342966300010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143165
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, Dalian 116023, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Liu, Hui,Wei, Huijuan,Xin, Wenjie,et al. Differences between Zn/HZSM-5 and Zn/HZSM-11 zeolite catalysts in alkylation of benzene with dimethyl ether[J]. JOURNAL OF ENERGY CHEMISTRY,2014,23(5):617-624.
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