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题名: Preparation of titanium-containing zeolites with MEL structure from B-ZSM-11 and their characterization
作者: Zhang, FZ;  Guo, XW;  Wang, XS;  Li, GY;  Zhao, Q;  Bao, XH;  Han, XW;  Lin, LW
关键词: Ti-ZSM-11 ;  B-ZSM-11 ;  secondary synthesis ;  epoxidation of propylene
刊名: APPLIED CATALYSIS A-GENERAL
发表日期: 2000-02-14
卷: 192, 期:2, 页:157-163
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: Titanium-containing MEL zeolites (Ti-ZSM-11) are prepared by gas-solid reactions between TiCl4 vapor and B-ZSM-11 precursors. XRD, FTIR, UV-Vis, B-11 and Si-29 MAS NMR techniques are used to characterize these materials. The results show that Ti atoms are incorporated into the silanol nests that were previously occupied by B atoms. The precursor deboronated by acid reflux possesses a large amount silanol nests and so can obtain a high concentration of titanium in the framework, compared to the directly calcinated precursors. Ti-ZSM-11 zeolites are used to catalyze the epoxidation of propylene with dilute hydrogen peroxide. The results show that the catalytic activities are related to the physicochemical properties of these materials. (C) 2000 Elsevier Science B.V. All rights reserved.
关键词[WOS]: SI-29 NMR ;  MOLECULAR-SIEVES ;  STATE ;  BORON ;  SSZ-33 ;  BETA
语种: 英语
WOS记录号: WOS:000084977300001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138779
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.Dalian Univ Technol, Lab Comprehens Utilizat Carbonaceous Resources, Dalian 116012, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, FZ,Guo, XW,Wang, XS,et al. Preparation of titanium-containing zeolites with MEL structure from B-ZSM-11 and their characterization[J]. APPLIED CATALYSIS A-GENERAL,2000,192(2):157-163.
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