Preparation and characterization of polyvinylchloride based mixed matrix membrane filled with multi walled carbon nano tubes for carbon dioxide separation

被引：42

作者：

Rajabi, Z. ^{[1
]}

Moghadassi, A. R. ^{[1
]}

Hosseini, S. M. ^{[1
]}

Mohammadi, M. ^{[1
]}

机构：

[1] Arak Univ, Fac Engn, Dept Chem Engn, Arak 3815688349, Iran

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2013年 / 19卷 / 01期

关键词：

Blending ratio; Raw/functionalized carbon nano tubes; Mixed matrix membrane; Pressure effect; Mechanical property; GAS-TRANSPORT PROPERTIES; HOLLOW-FIBER MEMBRANES; POLY(ETHER IMIDE); COMPOSITE MEMBRANES; PERMEATION; NANOTUBES; SILICA; PLASTICIZATION; PERMEABILITY; POLYSULFONE;

D O I：

10.1016/j.jiec.2012.08.023

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Poly vinyl chloride/multi wall carbon nano tubes (PVC/MWCNTs) mixed matrix membranes (MMMs) were prepared for gas separation. Raw and functionalized MWCNTs (R-MWCNTs and C-MWCNTs) were utilized in membranes preparation. The C-MWCNT shows better performance compared to raw ones. Membrane (CO2/CH4) selectivity was increased from 39.21 to 52.18 at 2 bar pressure by MWCNT loading ratio. The modified membranes with styrene butadiene rubber (SBR-MMMs) showed 63.52 and 34.70 selectivity for (CO2/CH4) and (CO2/N-2) at 2 bar pressure. Mechanical properties analysis exhibited tensile module improvement utilizing blending modification. Increase of feed pressure led to membrane gas permeability decreasing. But gas pair selectivity follows a nearly constant behavior for MMMs and increasing behavior for blend MMMs. (C) 2012 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：347 / 352

页数：6

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