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题名: UV Raman spectroscopic study on the synthesis mechanism of zeolite X
作者: Xiong, G;  Yu, Y;  Feng, ZC;  Xin, Q;  Xiao, FS;  Li, C
关键词: UV Raman ;  zeolite X ;  crystallization ;  zeolite synthesis ;  spectroscopy
刊名: MICROPOROUS AND MESOPOROUS MATERIALS
发表日期: 2001-02-01
卷: 42, 期:2-3, 页:317-323
收录类别: SCI
文章类型: Article
部门归属: 5065
项目归属: 503
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science
英文摘要: The synthesis of zeolite X is characterized by UV Raman spectroscopy, NMR spectroscopy, and X-ray diffraction. UV Raman spectra of the liquid phase of the synthesis system indicate that AI(OH); species are incorporated into silicate species, and the polymeric silicate species are depolymerized into monomeric silicate species during the early stage of zeolite formation. An. intermediate species possessing Raman bands at 307, 503, 858 and 1020 cm(-1) is detected during the crystallization ill the solid phase transformation. The intermediate species is attributed to the beta cage, the secondary building unit of zeolite X. A model for the formation of zeolite X is proposed, which involves four-membered rings connecting to each other via six-membered ring to form beta cages, then the beta cages interconnect via double six-membered rings to form the framework of zeolite X. (C) 2001 Elsevier Science B.V. All rights reserved.
关键词[WOS]: FAUJASITIC ZEOLITES ;  HYDRATED ZEOLITE ;  COKE FORMATION ;  FRAMEWORK ;  SPECTRA ;  CRYSTALLIZATION ;  CATALYSTS ;  GLASSES ;  SILICA ;  ZSM-5
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000166629800016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/92097
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, Peoples R China
2.Jilin Univ, Dept Chem, Key Lab Inorgan Synth & Preparat Chem, Changchun 130023, Peoples R China

Recommended Citation:
Xiong, G,Yu, Y,Feng, ZC,et al. UV Raman spectroscopic study on the synthesis mechanism of zeolite X[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2001,42(2-3):317-323.
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