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题名: Synthesis of NaA zeolite membrane by microwave heating
作者: Xu, XH;  Yang, WH;  Liu, J;  Lin, LW
关键词: gas permeation ;  hydrothermal synthesis ;  microwave heating ;  NaA zeolite ;  zeolite membrane
刊名: SEPARATION AND PURIFICATION TECHNOLOGY
发表日期: 2001-10-01
卷: 25, 期:1-3, 页:241-249
收录类别: ISTP ;  SCI
文章类型: Article
部门归属: 5106
项目归属: 504
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Engineering, Chemical
研究领域[WOS]: Engineering
英文摘要: The synthesis of NaA zeolite membrane on a porous alpha -Al2O3 support by microwave heating (MH) was investigated. The formation of a NaA zeolite membrane was drastically promoted by MH. The synthesis time was reduced from 3 h for conventional heating (CH) to 15 min for MH. Surface seeding cannot only promote the formation of NaA zeolite on the support, but also inhibit the transformation of NaA zeolite into other types of zeolites. The thickness of the NaA zeolite membrane synthesized by MH was about 4 mum, thinner than that of NaA zeolite membrane synthesized by CH. The permeance of NaA zeolite membrane synthesized by MH was four times higher than that of the NaA zeolite membrane synthesized by CH, while their permselectivities were comparable. Multi-stage synthesis resulted in the transformation of NaA zeolite into other types of zeolites, and the perfection of the as-synthesized membrane decreased.
关键词[WOS]: MOLECULAR-SIEVE CRYSTALS ;  PERMEATION PROPERTIES ;  ALPO4-5 ;  PERVAPORATION ;  SEPARATION ;  CATALYSIS ;  COATINGS ;  ZSM-5 ;  TUBE
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000171837900025
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/85857
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

Recommended Citation:
Xu, XH,Yang, WH,Liu, J,et al. Synthesis of NaA zeolite membrane by microwave heating[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2001,25(1-3):241-249.
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