Enhancement of NaA zeolite membrane properties through organic cation addition
文献类型：期刊论文
| 作者 | Huang, Aisheng1; Yang, Weishen2 |
| 刊名 | separation and purification technology
 |
| 出版日期 | 2008-07-01 |
| 卷号 | 61期号:2页码:175-181 |
| 关键词 | NaA zeolite membrane hydrothermal synthesis pervaporation gas permeation organic cation |
| 产权排序 | 2;2 |
| 通讯作者 | 黄爱生 ; 杨维慎 |
| 英文摘要 | thin naa zeolite membranes, with uniform and small crystals, were prepared on the tubular alpha-al2o3 support by adding a small amount of tetramethylammonium hydroxide (tmaoh) in the clear synthesis solution. the as-synthesized naa zeolite membranes were characterized by xrd and sem. the permeation properties of the membranes were evaluated by pervaporation and gas permeation. the effects of tmaoh amount on membrane formation and permeation properties were investigated. by addition of suitable amount of tmaoh in the clear synthesis solution, the crystals size of naa zeolite could be remarkably reduced from about 10 mu m to 3-4 mu m, and the membrane thickness correspondingly reduced from about 16 mu m to 5 mu m. the thinner membrane prepared by adding tmaoh in the clear synthesis solution, with uniform and small crystal, displayed higher perm-selective properties than that without adding tmaoh. for the as-synthesized naa zeolite membrane prepared with adding suitable amount of tmaoh (x= 1), the separation factor (water/isopropanol) was 4700 and the flux was 1.67 kg/( m(2) h), which were higher than that without adding tmaoh of 339 and 1.08 kg/(m(2) h), respectively. the ideal separation factor of h-2/n-2 was 6.60, higher than that without adding tmaoh of 3.41. (c) 2007 elsevier b.v. all rights reserved. |
| WOS标题词 | science & technology ; technology |
| 类目[WOS] | engineering, chemical |
| 研究领域[WOS] | engineering |
| 关键词[WOS] | a membranes ; pervaporation ; separation ; mixtures ; surface ; films ; water |
| 收录类别 | SCI |
| 原文出处 | true |
| 语种 | 英语 |
| WOS记录号 | WOS:000256334600009 |
| 公开日期 | 2010-11-30 |
| 源URL | [http://159.226.238.44/handle/321008/101143]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 作者单位 | 1.Tongji Univ, Dept Chem, Shanghai 200092, Peoples R China 2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China |
| 推荐引用方式 GB/T 7714 | Huang, Aisheng,Yang, Weishen. Enhancement of NaA zeolite membrane properties through organic cation addition[J]. separation and purification technology,2008,61(2):175-181. |
| APA | Huang, Aisheng,&Yang, Weishen.(2008).Enhancement of NaA zeolite membrane properties through organic cation addition.separation and purification technology,61(2),175-181. |
| MLA | Huang, Aisheng,et al."Enhancement of NaA zeolite membrane properties through organic cation addition".separation and purification technology 61.2(2008):175-181. |
入库方式： OAI收割
来源：大连化学物理研究所
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