Enhancement on the CO2 separation performance of mixed matrix membrane using ionic liquid

被引：9
|
作者：
Ahmad, N. N. R. [1 ]
Leo, C. P. [2 ]
Mohammad, A. W. [1 ]
机构：
[1] Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Chem & Proc Engn, Bangi 43600, Selangor, Malaysia
[2] Univ Sains Malaysia, Sch Chem Engn, Engn Campus, Nibong Tebal 14300, Penang, Malaysia
来源：
MATERIALS LETTERS | 2021年 / 304卷
关键词：
Thin film; Composite materials; Defects; Interface; COMPOSITE MEMBRANES;
D O I：
10.1016/j.matlet.2021.130736
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, two different methods, i.e., ionic liquid (IL)/dope solution blending and post-modification using IL were investigated in asymmetric PSf/SAPO-34 mixed matrix membrane (MMM) modification. The blending of [bmim][BF4] IL with MMM dope solution prior to phase inversion has enhanced the CO2 permeance up to 85.07 GPU but could not elevate the CO2/N2 selectivity since this method was not efficient in defects sealing. However, the defects have successfully been sealed via the post-modification method after phase inversion and resulted in more than 1000% CO2/N2 selectivity improvement over unmodified MMM.
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页数：4
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