FUNCTIONALIZATION OF CARRIER TRANSPORT MEMBRANES BY THE CONTROL OF MICROSTRUCTURE
通过控制微观结构实现载流子传输膜的功能化
基本信息
- 批准号:07455314
- 负责人:
- 金额:$ 3.78万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:1995
- 资助国家:日本
- 起止时间:1995 至 1996
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
1. The effects of reaction rate constant and equilibrium constant of the reaction between CO_2 and amine on the permeability of CO_2 were successfully formulated on the basis of facilitated transport theory. An amine with moderate chemical equilibrium constant was found to be favorable to obtain high CO_2 permeability.2. The effect of the characteristics of microporous support membrane was examined by the facilitated transport model. It was found that the thickness, porosity and tortuosity of the support are the important factors which influence the facilitated transport rate if the support has no electric charge.3. Ion exchange membranes (PE-g-AA membrane) were prepared by grafting acrylic acid (AA) onto microporous polyethylene (PE) membranes using low temperature plasma. Facilitated transport membranes (PE-g-AA-EDA) prepared by impregnating the PE-G-AA membranes with monoprotonated ethylenediamine (EDAH^+) showed very high selectivity of CO_2 over CH_4. This was due to high mobility of carrier in the membrane resulting from high water content of PE-g-AA membrane and also due to high carrier concentration resulting from high ion site (COO-) concentration of AA graft-layr. The membrane was stable because the carrier (EDAH^+) was held in the membrane by the electrostatic force. The facilitated transport rate of CO_2 was simulated by the proposed model by considering the diffusivity of the carrier in the ion exchange membrane.4. Microporous ion exchange membranes having sulfonic acid groups were prepared by plasma graft polymerization method. The prepared membranes were found to be very effective as the supports of facilitated transport of C2H4 using silver nitrate as the carrier.5. The effects of cross-linking ratio, water content and fraction of unfrozen water in PVA gel membranes impregnated with (EDAH^+) on the facilitated transport of CO_2 could be elucidated by the DSC measurement and the diffusivity and solubility of CO_2 measured by time-lag method.
1.根据促进传递理论,成功地建立了CO_2与胺反应的反应速率常数和反应平衡常数对CO_2渗透性的影响。具有中等化学平衡常数的胺有利于获得高的CO_2渗透性.用促进传递模型考察了微孔支撑膜的特性对分离效果的影响。研究发现,当载体不带电荷时,载体的厚度、孔隙率和弯曲度是影响促进传输速率的重要因素.采用低温等离子体技术在聚乙烯微孔膜上接枝丙烯酸,制备了聚乙烯接枝丙烯酸离子交换膜。用单质子化乙二胺(EDAH^+)浸渍PE-G-AA膜制备的促进传递膜(PE-g-AA-EDA)对CO_2和CH_4具有很高的选择性。这是由于PE-g-AA膜的高水含量导致的膜中的载流子的高迁移率,并且还由于AA接枝层的高离子位点(COO-)浓度导致的高载流子浓度。由于载体(EDAH^+)被静电力固定在膜中,因此膜是稳定的。考虑载体在离子交换膜中的扩散性,用所建模型模拟了CO_2的促进传递速率.采用等离子体接枝聚合法制备了含磺酸基的微孔离子交换膜。发现所制备的膜作为以硝酸银为载体的C2 H4促进传输的载体非常有效。5.用DSC法测定了交联度、含水量和未冻水含量对CO_2促进传输的影响,用时滞法测定了CO_2的扩散系数和溶解度,结果表明,交联度、含水量和未冻水含量对CO_2促进传输有影响。
项目成果
期刊论文数量(11)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Teramoto, M.: "Facilitated transport of CO_2 through aqueous amine membranes. Effect of amine species and support membranes." Proc. ICOM'96. 586-587 (1996)
Teramoto, M.:“促进 CO_2 通过水胺膜的运输。胺物质和支撑膜的影响。”
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Teramoto, M.: "Facilitated transport of carbon dioxide through supported liquid membranes of aqueous amine solutions." Ind. Eng. Chem. Res.35. 538-545 (1996)
Teramoto, M.:“通过胺水溶液的支撑液膜促进二氧化碳的运输。”
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Teramoto, M.: "Separation of gases by facilitated transport mambranes. Selective separation of CO_2 and C_2H_4" Proc. 4th Japan-Korea Symposium on Separation Technology. 203-206 (1996)
Teramoto, M.:“通过促进传输膜分离气体。CO_2 和 C_2H_4 的选择性分离”Proc。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Matsuyama,H.: "Analysis of solute diffusion in poly(vinyl)alcohol hydrogel membrane." J.Membrane Sci.(印刷中). (1997)
Matsuyama, H.:“聚(乙烯)醇水凝胶膜中的溶质扩散分析。”J.Membrane Sci(出版中)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Matsuyama, H.: "Analysis of solute diffusion in poly (vinyl) alcohol hydrogel membrane." J.Membrane Sci.(in press). (1997)
Matsuyama, H.:“聚(乙烯)醇水凝胶膜中溶质扩散的分析。”
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- 影响因子:0
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TERAMOTO Masaaki其他文献
TERAMOTO Masaaki的其他文献
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{{ truncateString('TERAMOTO Masaaki', 18)}}的其他基金
PROPOSAL OF NOVEL FACILITATED TRANSPORT MEMBRANE FOR GAS SEPARATION AND ITS APPLICATION FOR PROTECTION OF GLOBAL ENVIROMENT
新型气体分离促进传输膜的提案及其在保护全球环境中的应用
- 批准号:
14350417 - 财政年份:2002
- 资助金额:
$ 3.78万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Formation of Poroas Membrane by Phase soparation with Supercritica/CO_2
Supercritica/CO_2相分离形成Poroas膜
- 批准号:
11450299 - 财政年份:1999
- 资助金额:
$ 3.78万 - 项目类别:
Grant-in-Aid for Scientific Research (B).
Formation of anistripic membrane by the hybrid process with thermally induced phase separation and nonsolvent induced phase separation
通过热诱导相分离和非溶剂诱导相分离混合工艺形成不均匀膜
- 批准号:
09450292 - 财政年份:1997
- 资助金额:
$ 3.78万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Preparation of functional separation membrane by polymerization using atmospheric pressure glow descharge plasma
常压辉光放电等离子体聚合制备功能分离膜
- 批准号:
08555189 - 财政年份:1996
- 资助金额:
$ 3.78万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
DEVELOPMENT OF HYBRID FACILITATED TRANSPORT MEMBRANES BY PLASMA GRAFT POLYMERIZATION AND THEIR APPLICATION TO HIGHLY SELECTIVE SEPARATIONS
通过等离子体接枝聚合开发杂化促进运输膜及其在高选择性分离中的应用
- 批准号:
06555236 - 财政年份:1994
- 资助金额:
$ 3.78万 - 项目类别:
Grant-in-Aid for Developmental Scientific Research (B)
Separation and Purification of Polyunsaturated Fatty Acids by SolventExtraction and Liquid Membrane Methods Using Silver Salt.
使用银盐通过溶剂萃取和液膜方法分离和纯化多不饱和脂肪酸。
- 批准号:
05453101 - 财政年份:1993
- 资助金额:
$ 3.78万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)
Stabilization and Activation of Enzymes by Adsorptive Immobilization with Water-Soluble Polymers and Its Application to Enzyme Membrane Reactor
水溶性聚合物吸附固定化酶的稳定和活化及其在酶膜反应器中的应用
- 批准号:
04555229 - 财政年份:1992
- 资助金额:
$ 3.78万 - 项目类别:
Grant-in-Aid for Developmental Scientific Research (B)
Elucidation of Mechanism of Enzymatic Reaction in Biphasic System and Study of Chemical Reaction Engineering on Characteristics of Membrane Bioreactor
双相体系酶促反应机理的阐明及膜生物反应器特性的化学反应工程研究
- 批准号:
02650707 - 财政年份:1990
- 资助金额:
$ 3.78万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
Development of new high-selective solvent extraction method for separation of rare earth metals by using aqueous complexing agent
水络合剂分离稀土金属的高选择性溶剂萃取新方法的开发
- 批准号:
63550708 - 财政年份:1988
- 资助金额:
$ 3.78万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
Study on gas separation by facilitated transport liquid membranes
促进传输液膜气体分离研究
- 批准号:
60550666 - 财政年份:1985
- 资助金额:
$ 3.78万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
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