Pebax (R)/TSIL blend thin film composite membranes for CO2 separation
Dai, Zhongde1; Bai, Lu2,3; Hval, Karoline Navik1; Zhang, Xiangping2,3; Zhang, Suojiang2,3; Deng, Liyuan1
2016-05-01
发表期刊SCIENCE CHINA-CHEMISTRY
ISSN1674-7291
卷号59期号:5页码:538-546
摘要In this study a thin film composite (TFC) membrane with a Pebax/Task-specific ionic liquid (TSIL) blend selective layer was prepared. Defect-free Pebax/TSIL layers were coated successfully on a polysulfone ultrafiltration porous support with a polydimethylsiloxane (PDMS) gutter layer. Different parameters in the membrane preparation (e.g. concentration, coating time) were investigated and optimized. The morphology of the membranes was studied by scanning electron microscopy (SEM), while the thermal properties and chemical structures of the membrane materials were investigated by thermo-gravimetric analyzer (TGA), differential scanning calorimetry (DSC) and Fourier transform infrared spectroscopy (FTIR). The CO2 separation performance of the membrane was evaluated using a mixed gas permeation test. Experimental results show that the incorporation of TSIL into the Pebax matrix can significantly increase both CO2 permeance and CO2/N-2 selectivity. With the presence of water vapor, the membrane exhibits the best CO2/N-2 selectivity at a relative humidity of around 75%, where a CO2 permeance of around 500 GPU and a CO2/N-2 selectivity of 46 were documented. A further increase in the relative humidity resulted in higher CO2 permeance but decreased CO2/N-2 selectivity. Experiments also show that CO2 permeance decreases with a CO2 partial pressure increase, which is considered a characteristic in facilitated transport membranes.
关键词Co2 Capture Thin Film Composite Membrane Task Specific Ionic Liquids Pebax Post Combustion
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1007/s11426-016-5574-3
收录类别SCI
语种英语
关键词[WOS]FACILITATED TRANSPORT MEMBRANES ; CO2/CH4 SEPARATION ; CO2/N-2 SEPARATION ; CO2/H-2 SEPARATION ; GEL MEMBRANES ; IONIC LIQUIDS ; GAS ; CAPTURE ; PERFORMANCE ; FABRICATION
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
项目资助者Research Council of Norway through the CLIMIT program (MCIL-CO2)(21732) ; National Natural Science Fund for Distinguished Young Scholars from China(21425625)
WOS记录号WOS:000375885200006
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21071
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Norwegian Univ Sci & Technol, Dept Chem Engn, N-7491 Trondheim, Norway
2.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
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Dai, Zhongde,Bai, Lu,Hval, Karoline Navik,et al. Pebax (R)/TSIL blend thin film composite membranes for CO2 separation[J]. SCIENCE CHINA-CHEMISTRY,2016,59(5):538-546.
APA Dai, Zhongde,Bai, Lu,Hval, Karoline Navik,Zhang, Xiangping,Zhang, Suojiang,&Deng, Liyuan.(2016).Pebax (R)/TSIL blend thin film composite membranes for CO2 separation.SCIENCE CHINA-CHEMISTRY,59(5),538-546.
MLA Dai, Zhongde,et al."Pebax (R)/TSIL blend thin film composite membranes for CO2 separation".SCIENCE CHINA-CHEMISTRY 59.5(2016):538-546.
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