Mixed matrix membranes comprising of Matrimid and -SO3H functionalized mesoporous MCM-41 for gas separation

被引：85

作者：

Khan, Asim Laeeq ^{[2
]}

Klaysom, Chalida ^{[1
]}

Gahlaut, Amit ^{[1
]}

Khan, Asad Ullah ^{[2
]}

Vankelecom, Ivo F. J. ^{[1
]}

机构：

[1] Katholieke Univ Leuven, Ctr Surface Chem & Catalysis, Fac Bioengn Sci, B-3001 Louvain, Belgium

[2] COMSATS Inst Informat Technol, Dept Chem Engn, Lahore, Pakistan

来源：

JOURNAL OF MEMBRANE SCIENCE | 2013年 / 447卷

关键词：

Mixed matrix membranes; MCM-41; Gas separation; POLYMER-CHAIN RIGIDIFICATION; HOLLOW-FIBER MEMBRANES; PORE BLOCKAGE; CO2; PLASTICIZATION; PERMEABILITY;

D O I：

10.1016/j.memsci.2013.07.011

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Ordered mesoporous silica spheres (MCM-41) were used as fillers in polyimicle (Matrimid) based mixed-matrix membranes (MMMs). The filler particles were functionalized with sulfonic acid (-SO3H) groups to increase the separation performance of the membranes by increasing the CO2 solubility. The fast diffusion of gases through the mesoporous materials, accompanied by this increased interaction with CO2, resulted in the simultaneous increase of gas permeability and selectivity. The functionalized membranes showed up to 31% increase in CO2 permeability and 14% increase in CO2/CH4 selectivity. In order to study the stability of these newly developed MMMs, they were tested at different operating conditions (temperatures, mixed-gas feeds and CO2 feed concentration). (c) 2013 Elsevier By. All rights reserved,

引用

页码：73 / 79

页数：7

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