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题名: A method for diatomite zeolitization through steam-assisted crystallization with in-situ seeding
作者: Jia, Yuxin1, 2;  Han, Wei1, 2;  Xiong, Guoxing1;  Yang, Weishen1
通讯作者: 熊国兴 ;  杨维慎
关键词: diatomite ;  zeolite ;  microstructure ;  porosity ;  CTAB
刊名: MATERIALS LETTERS
发表日期: 2008-05-31
DOI: 10.1016/j.matlet.2007.12.005
卷: 62, 期:15, 页:2400-2403
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 504
产权排名: 1;1
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Materials Science, Multidisciplinary ;  Physics, Applied
研究领域[WOS]: Materials Science ;  Physics
英文摘要: In this study, we demonstrated a novel and convenient seeding method for preparing zeolitized diatomite with hierarchical porosity. The silicalite-1 nanocrystals, grown in-situ on the surface of diatomite starting from a steam-assisted crystallization process with the aid of CTAB, induced the crystallization of diatomite under steam at 150 degrees C. The hierarchical pore structure of the zeolitized diatomite was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and N(2) adsorption analysis. The confinement of CTAB could be controlled by using different solvents. Dissolving in water gave rise to smaller zeolite particles, whereas with ethanol, the formation of larger particles is observed, which is because CTAB tends to form smaller micelles in ethanol than in water. (c) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: CONFINED SPACE SYNTHESIS ;  TRANSPORT ;  ZEOLITES
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000255999600008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100993
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.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Jia, Yuxin,Han, Wei,Xiong, Guoxing,et al. A method for diatomite zeolitization through steam-assisted crystallization with in-situ seeding[J]. MATERIALS LETTERS,2008,62(15):2400-2403.
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