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Ether-functionalized ionic liquid based composite membranes for carbon dioxide separation
Deng, Jing1,2; Bai, Lu1; Zeng, Shaojuan1; Zhang, Xiangping1; Nie, Yi1; Deng, Liyuan3; Zhang, Suojiang1
2016
发表期刊RSC ADVANCES
ISSN2046-2069
卷号6期号:51页码:45184-45192
摘要The efficient separation of CO2 from other light gases has received growing attentions due to its importance in reducing greenhouse gas emissions and applications in gas purification. In this work, we developed a series of composite membranes composed of ether-functionalized pyridinium-based ionic liquids ([EnPy][NTf2]) and cellulose acetate (CA) polymer matrices to improve CO2 separation performance. CA + [EnPy][NTf2] and CA + [CnPy][NTf2] composite membranes were fabricated by a casting method. The CO2, N-2 and CH4 permeabilities of the CA + IL composite membranes were measured, and the CO2/N-2 and CO2/CH4 permselectivities were further calculated. The results showed that the CA + 40 wt% [E1Py] [NTf2] composite membrane exhibits approximately a seven-fold increase in CO2 permeability with CO2/N-2 and CO2/CH4 permselectivities of 32 and 24, respectively. The characterization results showed that the mechanical properties and thermal stabilities of the CA + [E1Py][NTf2] composite membranes are affected by both plasticizing effect and affinity of the ILs for the gases, which also lead to the changes in the CO2/N-2 and CO2/CH4 permselectivities. Compared with membranes containing the nonfunctionalized analogues [CnPy][NTf2], the addition of [EnPy][NTf2] improves the ideal permselectivities of CA + IL composite membranes, whereas it decreases slightly the gas permeabilities.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c6ra04285f
收录类别SCI
语种英语
关键词[WOS]CRUDE NATURAL-GAS ; CO2 CAPTURE ; NANOCOMPOSITE MEMBRANES ; POLYMER MEMBRANES ; PERFORMANCE ; SELECTIVITY ; PERMEATION ; EFFICIENT ; PROGRESS ; REMOVAL
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
项目资助者National Natural Science Fund(21425625 ; External Cooperation Program of BIC, Chinese Academy of Sciences(l22111KYS820150017 ; key program of Beijing Municipal Natural Science Foundation(2141003) ; 21506219) ; GJHZ201306)
WOS记录号WOS:000376120100030
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21080
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, State Key Lab Multiphase Complex Syst, Key Lab Green Proc & Engn,Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem & Chem Engn, Beijing 100049, Peoples R China
3.Norwegian Univ Sci & Technol, Dept Chem Engn, N-7491 Trondheim, Norway
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GB/T 7714
Deng, Jing,Bai, Lu,Zeng, Shaojuan,et al. Ether-functionalized ionic liquid based composite membranes for carbon dioxide separation[J]. RSC ADVANCES,2016,6(51):45184-45192.
APA Deng, Jing.,Bai, Lu.,Zeng, Shaojuan.,Zhang, Xiangping.,Nie, Yi.,...&Zhang, Suojiang.(2016).Ether-functionalized ionic liquid based composite membranes for carbon dioxide separation.RSC ADVANCES,6(51),45184-45192.
MLA Deng, Jing,et al."Ether-functionalized ionic liquid based composite membranes for carbon dioxide separation".RSC ADVANCES 6.51(2016):45184-45192.
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