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题名: The preparation and gas separation properties of zeolite/carbon hybrid membranes
作者: Li, Lin1;  Wang, Chunlei1;  Wang, Nan1;  Cao, Yiming2;  Wang, Tonghua1
刊名: JOURNAL OF MATERIALS SCIENCE
发表日期: 2015-03-01
DOI: 10.1007/s10853-015-8819-1
卷: 50, 期:6, 页:2561-2570
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Materials Science, Multidisciplinary
研究领域[WOS]: Materials Science
英文摘要: Zeolite/carbon hybrid membranes with enhanced gas permeability were prepared by the incorporation of zeolites Y, beta, or ZSM-5 into the precursor of polyamic acid and carbonization at high temperature. The effects of physical and chemical properties of zeolites and the preparation parameters, involving the agglomeration size and crystal diameter of zeolites, content and carbonization temperature, on the related gas separation performances were investigated. Results indicate that embedding the zeolites into carbon membrane can greatly increase the gas permeability of carbon membranes without losing the selectivity obviously. The properties of embedded zeolites and the preparation parameters greatly affect the gas separation performances of derived zeolite/carbon hybrid membranes. The gas permeability and selectivity of derived hybrid carbon membranes can be tuned by optimizing the embedded zeolite properties such as the agglomeration size and crystal diameter, and the preparation parameters such as the zeolite content and carbonization temperature. The effects of incorporating the zeolite into carbon membrane on enhancing the gas permeability might be attributed to the intactly ordered inner pore channels of embedded zeolite, which provides rapid and continuous diffusive routes for gas molecules and interfaced pores formed between the embedded zeolite and carbon matrix, which create new channels for gas diffusion in carbon membranes.
关键词[WOS]: MOLECULAR-SIEVE MEMBRANES ;  FILLED CARBON MEMBRANES ;  ETHER SULFONE KETONE) ;  COMPOSITE MEMBRANE ;  OXYGEN/NITROGEN SEPARATION ;  HIGH-PERFORMANCE ;  HIGH-SELECTIVITY ;  SILICA ;  PERMEATION
语种: 英语
WOS记录号: WOS:000348978000022
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145977
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.Dalian Univ Technol, Sch Chem Engn, Carbon Res Lab, State Key Lab Fine Chem, Dalian 116024, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Li, Lin,Wang, Chunlei,Wang, Nan,et al. The preparation and gas separation properties of zeolite/carbon hybrid membranes[J]. JOURNAL OF MATERIALS SCIENCE,2015,50(6):2561-2570.
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