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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)
KeywordInorganic Membranes Gas Separations Membrane Preparation And Structure Macroporous And Mesoporous Substrate Microwave Heating
Source PublicationJOURNAL OF MEMBRANE SCIENCE
2005-06-15
DOI10.1016/j.memsci.2005.01.041
Volume255Issue:1-2Pages:201-211
Indexed BySCI
SubtypeArticle
Department5
Funding Project504
Contribution Rank1;1
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
WOS SubjectEngineering, Chemical ; Polymer Science
WOS Research AreaEngineering ; Polymer Science
WOS KeywordPERMEATION PROPERTIES ; COMPOSITE MEMBRANES ; LIQUID-MIXTURES ; PERVAPORATION ; GROWTH
AbstractThis 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.
Language英语
URL查看原文
WOS IDWOS:000229517500021
Citation statistics
Cited Times:41[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/92365
Collection中国科学院大连化学物理研究所
Corresponding AuthorYang WS(杨维慎); Yang WS(杨维慎)
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
Recommended Citation
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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