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题名: Preparation and pervaporation performance of high-quality silicalite-1 membranes
作者: Chen HongLiang;  Li YanShuo;  Liu Jie;  Yang WeiShen
通讯作者: 杨维慎
关键词: silica support ;  silicalite-1 membrane ;  mixed solution filling ;  pervaporation
刊名: SCIENCE IN CHINA SERIES B-CHEMISTRY
发表日期: 2007-02-01
DOI: 10.1007/s11426-007-0011-2
卷: 50, 期:1, 页:70-74
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 ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: High-performance silicalite-1 membranes were successfully synthesized on novel porous silica tubes by two-step in-situ hydrothermal synthesis. The flux and separation factor towards ethanol/water mixture at 60 degrees C were 0.56 kg/(m(2.)h) and 84, respectively. The as-synthesized silicalite-1 membranes were characterized by scanning electron microscopy (SEM). The influence of different synthesis conditions on the separation performance of the silicalite-1 membranes was investigated. It was found that the average flux of silicalite-1 membranes was improved by about 26% after filling the silica tubes with mixed solution containing glycerol and water. After calcinating at 400 degrees C for 5 h repeatedly, membrane synthesized on silica tube still showed high pervaporation performance towards ethanol/water mixture even at a calcination rate of 4 degrees C/min, which suggested that silica support was more suitable for preparing high-performance silicalite-1 membranes.
关键词[WOS]: ZEOLITE MEMBRANES ;  XYLENE ISOMERS ;  SEPARATION ;  SUPPORTS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000245148000011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/99785
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

Recommended Citation:
Chen HongLiang,Li YanShuo,Liu Jie,et al. Preparation and pervaporation performance of high-quality silicalite-1 membranes[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,2007,50(1):70-74.
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