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Effects of aging on the synthesis and performance of silicalite membranes on silica tubes without seeding
Chen, Hongliang; Song, Chunshan; Yang, Weishen; Yang WS(杨维慎); Yang WS(杨维慎)
关键词Zeolite Membrane Silicalite Membrane Ethanol/water Separation Pervaporation Aging Effects
刊名MICROPOROUS AND MESOPOROUS MATERIALS
2007-05-04
DOI10.1016/j.micromeso.2006.12.043
102期:1-3页:249-257
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 ; 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
关键词[WOS]ZEOLITE ZSM-5 MEMBRANES ; MFI MEMBRANES ; TEMPERATURE SYNTHESIS ; PERVAPORATION ; SEPARATION ; NUCLEATION ; CRYSTALLIZATION ; OPTIMIZATION ; PERMEATION ; SCATTERING
英文摘要High-performance silicalite membranes were successfully prepared on porous tubular silica supports by in situ hydrothermal synthesis without seeding. The separation performance of the as-synthesized silicalite membranes was evaluated by separating ethanol/water mixtures. It was found that both the aging temperature and aging time had a significant influence on the performance of silicalite membranes when the silica tubes and synthesis solution were aged together. The tubular silica supports were filled with glycerol/water mixtures to reduce the penetration of synthesis solution, and it was found that this solution-filling method could effectively improve the membrane flux by about 27% with a higher separation factor. By using two-step hydrothermal synthesis, the silicalite membrane with a total flux of 0.58 kg/M-2 h and ethanol/water separation factor of 95 at 333 K was obtained. The method in this work has been demonstrated a simple and effective way to skip the deposition of pre-formed nanosized seeds on tubular supports before the secondary growth of silicalite membrane. (C) 2007 Elsevier Inc. All rights reserved.
语种英语
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WOS记录号WOS:000246727900025
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被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/99403
专题中国科学院大连化学物理研究所
通讯作者Yang WS(杨维慎); Yang WS(杨维慎)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Penn State Univ, University Pk, PA 16802 USA
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GB/T 7714
Chen, Hongliang,Song, Chunshan,Yang, Weishen,et al. Effects of aging on the synthesis and performance of silicalite membranes on silica tubes without seeding[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2007,102(1-3):249-257.
APA Chen, Hongliang,Song, Chunshan,Yang, Weishen,杨维慎,&杨维慎.(2007).Effects of aging on the synthesis and performance of silicalite membranes on silica tubes without seeding.MICROPOROUS AND MESOPOROUS MATERIALS,102(1-3),249-257.
MLA Chen, Hongliang,et al."Effects of aging on the synthesis and performance of silicalite membranes on silica tubes without seeding".MICROPOROUS AND MESOPOROUS MATERIALS 102.1-3(2007):249-257.
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