IHEP OpenIR
Highly swelling resistant membranes for model gasoline desulfurization
Yu, SN; Jiang, ZY; Yang, S; Ding, H; Zhou, BF; Gu, K; Yang, D; Pan, FS; Wang, BY; Wang, S; Cao, XZ; Wang BY(王宝义); Wang S(王胜); Cao XZ(曹兴忠)
2016
Source PublicationJOURNAL OF MEMBRANE SCIENCE
ISSN0376-7388
EISSN1873-3123
Volume514Pages:440-449
SubtypeArticle
AbstractThe ubiquitous tradeoff relation between membrane separation performance and swelling resistance is another great challenge other than the tradeoff relation between membrane permeability and selectivity, which significantly restricts the application efficiency of all membrane processes. In this study, graphene nanosheets (GNS) were first functionalized by polydopamine (PDA) coating followed by silver nano particle (AgNP) loading to fabricate Ag-PDA/GNS composites, and were then incorporated into the polyether-block-amide, Pebax 2533, to fabricate the Pebax-Ag-PDA/GNS high-performance hybrid membranes. PDA can endow GNS with increased hydrophobicity and consequently increased interfacial compatibility between GNS and Pebax matrix. Ag-PDA/GNS can decrease the crystallinity, increase the fractional free volume, and enhance the swelling resistance of Pebax membrane via multiple interactions at the interface between Ag-PDA/GNS and Pebax. AgNPs were loaded onto the surface of Ag-PDA/GNS composites via the adhesive effect of PDA. AgNPs homogeneously dispersed on the surface of Ag-PDA/GNS, which could endow the membranes with facilitated transport function towards thiophenic components. Moreover, the desulfurization performance of the Pebax-Ag-PDA/GNS hybrid membranes was evaluated using the model gasoline as a separation system. When the filling content is 6 wt%, the separation performance of Pebax-Ag-PDA/GNS hybrid membrane reaches the optimal value, with a permeation flux of 4.42 kg/(m(2) h) and an enrichment factor of 8.76 at the operation temperature of 40 degrees C; when the operation temperature increases to 70 degrees C, the enrichment factor decreases to 6.07, however, the permeation flux significantly increases to 22.53 kg/(m(2) h), outperforming most of reported data in literature. (C) 2016 Elsevier B.V. All rights reserved.
KeywordHybrid membrane Polyether-block-amide Graphene Facilitated transport Tradeoff relation
DOI10.1016/j.memsci.2016.05.015
WOS KeywordENHANCED PERVAPORATION PERFORMANCE ; MIXED MATRIX MEMBRANES ; SILVER NANOPARTICLES ; HYBRID MEMBRANES ; OLEFIN/PARAFFIN SEPARATIONS ; POLYMER NANOCOMPOSITES ; FACILITATED TRANSPORT ; ETHANOL RECOVERY ; FACILE SYNTHESIS ; BLOCK-COPOLYMER
Indexed BySCI
Language英语
WOS SubjectEngineering, Chemical ; Polymer Science
WOS IDWOS:000378060100044
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/260263
Collection中国科学院高能物理研究所
Affiliation中国科学院高能物理研究所
Recommended Citation
GB/T 7714
Yu, SN,Jiang, ZY,Yang, S,et al. Highly swelling resistant membranes for model gasoline desulfurization[J]. JOURNAL OF MEMBRANE SCIENCE,2016,514:440-449.
APA Yu, SN.,Jiang, ZY.,Yang, S.,Ding, H.,Zhou, BF.,...&曹兴忠.(2016).Highly swelling resistant membranes for model gasoline desulfurization.JOURNAL OF MEMBRANE SCIENCE,514,440-449.
MLA Yu, SN,et al."Highly swelling resistant membranes for model gasoline desulfurization".JOURNAL OF MEMBRANE SCIENCE 514(2016):440-449.
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