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Promoted metal utilization capacity of alkali-treated zeolite: Preparation of Zn/ZSM-5 and its application in 1-hexene aromatization
Li, Yuning1,2; Liu, Shenglin1; Xie, Sujuan1; Xu, Longya1
关键词Zsm-5 Zeolite Alkali Treatment Zn 1-hexene Aromatization
刊名APPLIED CATALYSIS A-GENERAL
2009-05-31
DOI10.1016/j.apcata.2009.02.039
360期:1页:8-16
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
关键词[WOS]ZSM-5 ZEOLITES ; CATALYTIC PERFORMANCE ; MFI ZEOLITES ; ACID SITES ; PROPANE ; DESILICATION ; ALKANES ; HZSM-5 ; MESOPOROSITY ; HYDROCARBONS
英文摘要Promoted metal utilization capacity of ZSM-5 zeolite has been achieved via the intracrystalline mesopores created by alkali treatment. The untreated and alkali-treated Zn/ZSM-5 catalysts were prepared by the conventional liquid ion exchange and impregnation methods. These catalysts were investigated by several techniques: N(2) adsorption-desorption, transmission electron microscopy, X-ray photoelectron spectroscopy, ammonia temperature-programmed desorption, and Fourier transform infrared spectroscopy. Compared with the untreated catalysts, the alkali-treated catalysts exhibited higher Zn-loading in liquid ion exchange, better metal distribution and more Lewis acid sites in impregnation, owing to the location of Zn species in the created intracrystalline mesopores. The alkali-treated Zn/ZSM-5 catalysts displayed dramatically improved catalytic stability in 1-hexene aromatization. These findings show new potential for developing some advanced bifunctional metal-zeolite catalysts by a facile and low-cost method. (C) 2009 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000266133500003
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被引频次:53[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141314
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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Li, Yuning,Liu, Shenglin,Xie, Sujuan,et al. Promoted metal utilization capacity of alkali-treated zeolite: Preparation of Zn/ZSM-5 and its application in 1-hexene aromatization[J]. APPLIED CATALYSIS A-GENERAL,2009,360(1):8-16.
APA Li, Yuning,Liu, Shenglin,Xie, Sujuan,&Xu, Longya.(2009).Promoted metal utilization capacity of alkali-treated zeolite: Preparation of Zn/ZSM-5 and its application in 1-hexene aromatization.APPLIED CATALYSIS A-GENERAL,360(1),8-16.
MLA Li, Yuning,et al."Promoted metal utilization capacity of alkali-treated zeolite: Preparation of Zn/ZSM-5 and its application in 1-hexene aromatization".APPLIED CATALYSIS A-GENERAL 360.1(2009):8-16.
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