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Synergistic effect of combining carbon nanotubes and graphene oxide in mixed matrix membranes for efficient CO2 separation
Li, XQ; Ma, L; Zhang, HY; Wang, SF; Jiang, ZY; Guo, RL; Wu, H; Cao, XZ; Yang, J; Wang, BY; Cao XZ(曹兴忠); Yang J(杨静); Wang BY(王宝义)
2015
发表期刊JOURNAL OF MEMBRANE SCIENCE
卷号479页码:1-10
文章类型Article
摘要Mixed matrix membranes (MMMs) were fabricated by incorporating carbon nanotubes (CNTs) and graphene oxide (GO) into a Matrimid (R) matrix to improve CO2 separation performance. The combination of CNTs and GO exerted a favorable synergistic effect on the permselectivity of membranes. The extraordinary smooth walls of CNTs acted as a highway to render high permeability, whereas the graphene oxide nanosheets acted as a selective barrier to render high selectivity through the hydroxyl and carboxyl groups On GO surface in MMMs. The MMMs doped with both CNTs and GO had better gas separation performance than those doped with only CNTs or GO. Efficient CO2 transport pathways were constructed by homogeneous dispersion of CNTs and GO within MMMs, leading to both enhanced permeability and selectivity. The membrane combining 5 wt% of CNTs and 5 wt% of GO (Matrimid (R)-CNTs/GO-5/5) displayed the optimum performance with a CO2 permeability of 38.07 Baud, a CO2/CH4 selectivity of 84.60 and a CO2/N-2 selectivity of 81.00. Compared to pure Matrimid (R) membrane, the CO2 permeability, CO2/CH4 selectivity and CO2/N-2 selectivity of the Matrimid (R)-CNTs/GO-5/5 membrane were increased by 331%, 149%, 147%, respectively. (C) 2015 Elsevier B.V. All rights reserved.
关键词Matrimid (R) Carbon nanotubes Graphene oxide Mixed matrix membrane CO2 separation
学科领域Engineering; Polymer Science
DOI10.1016/j.memsci.2015.01.014
收录类别SCI ; EI
WOS类目Engineering, Chemical ; Polymer Science
WOS记录号WOS:000349620000002
引用统计
被引频次:56[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228075
专题多学科研究中心
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GB/T 7714
Li, XQ,Ma, L,Zhang, HY,et al. Synergistic effect of combining carbon nanotubes and graphene oxide in mixed matrix membranes for efficient CO2 separation[J]. JOURNAL OF MEMBRANE SCIENCE,2015,479:1-10.
APA Li, XQ.,Ma, L.,Zhang, HY.,Wang, SF.,Jiang, ZY.,...&王宝义.(2015).Synergistic effect of combining carbon nanotubes and graphene oxide in mixed matrix membranes for efficient CO2 separation.JOURNAL OF MEMBRANE SCIENCE,479,1-10.
MLA Li, XQ,et al."Synergistic effect of combining carbon nanotubes and graphene oxide in mixed matrix membranes for efficient CO2 separation".JOURNAL OF MEMBRANE SCIENCE 479(2015):1-10.
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