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Synthesis of zeolite NaA membranes with high permeance under microwave radiation on mesoporous-layer-modified macroporous substrates for gas separation
Chen, XB; Yang, WS; Liu, J; Lin, LW; Yang WS(杨维慎); Yang WS(杨维慎)
关键词Inorganic Membranes Gas Separations Membrane Preparation And Structure Macroporous And Mesoporous Substrate Microwave Heating
刊名JOURNAL OF MEMBRANE SCIENCE
2005-06-15
DOI10.1016/j.memsci.2005.01.041
255期:1-2页:201-211
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]Engineering, Chemical ; Polymer Science
研究领域[WOS]Engineering ; Polymer Science
关键词[WOS]PERMEATION PROPERTIES ; COMPOSITE MEMBRANES ; LIQUID-MIXTURES ; PERVAPORATION ; GROWTH
英文摘要This article reported the NaA zeolite membranes with high permeance synthesized with microwave heating method under different conditions: (1) on a macroporous substrate in gel, (11) on a mesoporous/macroporous (top-mesoporous-layer-modified macroporous) substrate in gel, and (111) on a mesoporous/macroporous substrate in sol. In general, the H-2 permeance of the NaA membranes by microwave heating in gel was usually at the level of 10(-6) mol s(-1) m(-2) Pa-1, much higher than that by the conventional hydrothermal synthesis. At similar H-2/C3H8 permselectivity. On the substrate modified mesoporous top layer, the H-2 permeance of the NaA membranes by microwave heating in gel or sol was further enhanced, while maintaining comparable H-2/C3H8 permselectivity, due to the prevention of penetration of the reagent into the pores of the macroporous substrate. Meanwhile, the synthesis took less time in sol than in gel on the mesoporous/macroporous substrate. The NaA membranes synthesized in sol had larger permeance than those in gel and underwent transformation in shorter time. The permeation of C3H8 suggested that there existed unwanted intercrystalline pores or defects in the membranes. © 2005 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000229517500021
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被引频次:40[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/321008/92365
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Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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GB/T 7714
Chen, XB,Yang, WS,Liu, J,et al. Synthesis of zeolite NaA membranes with high permeance under microwave radiation on mesoporous-layer-modified macroporous substrates for gas separation[J]. JOURNAL OF MEMBRANE SCIENCE,2005,255(1-2):201-211.
APA Chen, XB,Yang, WS,Liu, J,Lin, LW,杨维慎,&杨维慎.(2005).Synthesis of zeolite NaA membranes with high permeance under microwave radiation on mesoporous-layer-modified macroporous substrates for gas separation.JOURNAL OF MEMBRANE SCIENCE,255(1-2),201-211.
MLA Chen, XB,et al."Synthesis of zeolite NaA membranes with high permeance under microwave radiation on mesoporous-layer-modified macroporous substrates for gas separation".JOURNAL OF MEMBRANE SCIENCE 255.1-2(2005):201-211.
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