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题名: Synthesis of pure silica ITQ-13 zeolite using fumed silica as silica source
作者: Xu, Guoliang1, 2;  Zhu, Xiangxue1;  Li, Xiujie1;  Xie, Sujuan1;  Liu, Shenglin1;  Xu, Longya1
通讯作者: 徐龙伢
关键词: ITH ;  ITQ-13 ;  Synthesis ;  Characterization ;  Fumed silica
刊名: MICROPOROUS AND MESOPOROUS MATERIALS
发表日期: 2010-04-01
DOI: 10.1016/j.micromeso.2009.10.005
卷: 129, 期:1-2, 页:278-284
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 ;  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: Pure silica ITQ-13 (ITH) zeolite was successfully synthesized using fumed silica as silica source. Compared with the conventionally used tetraethyl orthosilicate (TEOS), application of fumed silica facilitated the gel-making process as the hydrolysis procedure was omitted. On basis of that, influences of reactant H(2)O/Si ratios and crystallization temperatures on the synthesis of ITQ-13, as well as the properties of the as-synthesized and calcined samples, were investigated. As evidenced by XRD, SEM, XRF, N(2) adsorption,TGA and TPO-MS results, well crystallized ITQ-13 zeolites were obtained at low H(2)O/Si ratios (7 similar to 8). The primary crystals of the ITQ-13 zeolites were in plate-like shape, and the plate thickness increased upon the increasing crystallization temperature. ITQ-13 samples exhibited excellent thermal stability, especially for those synthesized at high temperatures. (C) 2009 Published by Elsevier Inc.
关键词[WOS]: CATALYTIC CRACKING ;  MOLECULAR-SIEVES ;  FLUORIDE ;  GERMANIUM
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000273862900036
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/102385
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 Natl Lab Clean Energy, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Xu, Guoliang,Zhu, Xiangxue,Li, Xiujie,et al. Synthesis of pure silica ITQ-13 zeolite using fumed silica as silica source[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2010,129(1-2):278-284.
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