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题名: Microwave synthesis of high performance FAU-type zeolite membranes: Optimization, characterization and pervaporation dehydration of alcohols
作者: Zhu, Guangqi1, 2;  Li, Yanshuo1;  Zhou, Han1, 2;  Liu, Jie1;  Yang, Weishen1
关键词: FAU-type zeolite membrane ;  In situ synthesis ;  Microwave heating ;  Taguchi experimental design ;  Pervaporation
刊名: JOURNAL OF MEMBRANE SCIENCE
发表日期: 2009-07-15
DOI: 10.1016/j.memsci.2009.03.026
卷: 337, 期:1-2, 页:47-54
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Engineering, Chemical ;  Polymer Science
研究领域[WOS]: Engineering ;  Polymer Science
英文摘要: High performance FAU-type zeolite membranes were synthesized by the "in situ aging-microwave synthesis" (AM) method in a clear solution with the molar composition of 70Na(2)O:1Al(2)O(3):2OSiO(2):200OH(2)O. The AM method couples in situ aging at relatively low temperature and fast crystallization under microwave heating (MH). To achieve the optimization of the synthesis parameters, the in situ aging and MH temperatures, as well as the probable ranges of the corresponding times were firstly determined by means of investigating their effects on the crystal structures and morphologies of the zeolite layers. Then the Taguchi experimental design was employed to further optimize the in situ aging and MH times of the two-stage synthesis. The as-synthesized zeolite membranes showed high pervaporation performance for the dehydration of ethanol and isopropanol aqueous solutions. Only pure water was detected in the permeate before the water content decreased to ca. 9% for water/ethanol mixtures and ca. 6% for water/isopropanol mixtures, respectively. (C) 2009 Elsevier B.V. All rights reserved.
关键词[WOS]: VAPOR PERMEATION ;  FORMATION MECHANISM ;  MIXTURES
语种: 英语
WOS记录号: WOS:000267025500006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141378
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.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Zhu, Guangqi,Li, Yanshuo,Zhou, Han,et al. Microwave synthesis of high performance FAU-type zeolite membranes: Optimization, characterization and pervaporation dehydration of alcohols[J]. JOURNAL OF MEMBRANE SCIENCE,2009,337(1-2):47-54.
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