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Enhanced desulfurization performance and stability of Pebax membrane by incorporating Cu+ and Fe2+ ions co-impregnated carbon nitride
Ding, H; Pan, FS; Mulalic, E; Gomaa, H; Li, WD; Yang, H; Wu, H; Jiang, ZY; Wang, BY; Cao, XZ; Zhang, P; Wang BY(王宝义); Cao XZ(曹兴忠); Zhang P(张鹏)
2017
Source PublicationJOURNAL OF MEMBRANE SCIENCE
ISSN0376-7388
EISSN1873-3123
Volume526Pages:94-105
SubtypeArticle
AbstractIn this study, Cu+ and Fe2+ ions were co-impregnated onto carbon nitride nanosheets via polydopamine chelating, and then incorporated into a Pebax matrix to fabricate the facilitated transport hybrid membranes. The homogeneously dispersed nanosheets disturb the packing of Pebax chains and render the hybrid membrane an appropriate free volume property. The existence of stabilizer Fe2+ on Cu+Fe2+@CNs prevents the disproportionation and oxidation of Cu+, which is an efficient facilitated transport carrier for thiophene via pi-complexation in gasoline desulfurization. Accordingly, the hybrid membranes exhibit superior desulfurization performance along with good stability even at high operation temperature. Especially, when the content of Cu+Te2+@CNs is 5 wt%, the membrane achieves the optimum desulfurization performance with a permeation flux of 13.42 kg/(m(2) h) (18.76% higher than that of pure Pebax membrane) and an enrichment factor of 7.11 (28.80% higher than that of pure Pebax membrane) under 60 degrees C for octane-thiophene model gasoline with thiophene content of 1312 ppm. Besides, the membrane shows good stability in the long-term desulfurization under high operation temperature of 60 degrees C for 10 days and keeps the stability of incorporated Cu+ for six months. The study offers a facile approach to enhance the carrier stability in high-performance facilitated transport membranes.
KeywordFacilitated transport hybrid membrane Carbon nitride nanosheets Cu+ Fe2+ Gasoline desulfurization
DOI10.1016/j.memsci.2016.12.020
WOS KeywordFACILITATED OLEFIN TRANSPORT ; HIGHLY SELECTIVE ADSORPTION ; PI-COMPLEXATION ; OLEFIN/PARAFFIN SEPARATION ; NANOCOMPOSITE MEMBRANES ; MODEL GASOLINE ; DIESEL FUELS ; FREE-VOLUME ; POLYMER ; PERVAPORATION
Indexed BySCI ; EI ; SCOPUS
Language英语
WOS Research AreaEngineering ; Polymer Science
WOS SubjectEngineering, Chemical ; Polymer Science
WOS IDWOS:000393722800010
EI Accession Number20165203167883
EI KeywordsCarbon nitride - Desulfurization - Gasoline - Nanosheets - Nitrides - Stability - Thiophene
EI Classification Number523 Liquid Fuels - 761 Nanotechnology - 804.1 Organic Compounds - 804.2 Inorganic Compounds - 933 Solid State Physics - 951 Materials Science
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Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/285123
Collection计算中心
实验物理中心
多学科研究中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Ding, H,Pan, FS,Mulalic, E,et al. Enhanced desulfurization performance and stability of Pebax membrane by incorporating Cu+ and Fe2+ ions co-impregnated carbon nitride[J]. JOURNAL OF MEMBRANE SCIENCE,2017,526:94-105.
APA Ding, H.,Pan, FS.,Mulalic, E.,Gomaa, H.,Li, WD.,...&张鹏.(2017).Enhanced desulfurization performance and stability of Pebax membrane by incorporating Cu+ and Fe2+ ions co-impregnated carbon nitride.JOURNAL OF MEMBRANE SCIENCE,526,94-105.
MLA Ding, H,et al."Enhanced desulfurization performance and stability of Pebax membrane by incorporating Cu+ and Fe2+ ions co-impregnated carbon nitride".JOURNAL OF MEMBRANE SCIENCE 526(2017):94-105.
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