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Enhanced desulfurization performance of PDMS membranes by incorporating silver decorated dopamine nanoparticles
Liu, GH; Zhou, TT; Liu, WP; Hu, S; Pan, FS; Wu, H; Jiang, ZY; Wang, BY; Yang, J; Cao, XZ;王宝义; Yang J(杨静); Cao XZ(曹兴忠)
2014
发表期刊JOURNAL OF MATERIALS CHEMISTRY A
卷号2期号:32页码:12907-12917
摘要Dopamine-silver (DAAg) nanoparticles were synthesized in aqueous solution Via bioinspired adhesion and redox reaction, and they were then incorporated into poly (dimethyl siloxane) (PDMS) matrix to prepare PDMS-DAAg hybrid membranes for pervaporative desulfurization of model gasoline. The loading content of Ag(i) in DAAg nanoparticles could reach as high as 54.03 wt%. The polymer chain flexibility and membrane swelling properties were mediated by DAAg nanoparticles. The hybrid membrane with 5.0 wt% of DAAg nanoparticles displayed an optimum separation performance with permeation flux of 8.22 kg m(-2) h(-1) (3-fold higher than that of PDMS control membrane) and enrichment factor of 5.03 (50% higher than that of PDMS control membrane). The enhancement of separation performance was mainly due to the facilitated transport of thiophene by reversible interaction between Ag(1) and thiophene molecules, and the moderate fractional free volume tuned by DAAg nanoparticles. Moreover, effects of operation parameters such as temperature, thiophene concentration in the feed, and feed Reynolds number on the permeation flux and enrichment factor were investigated.
学科领域Chemistry; Energy & Fuels; Materials Science
DOI10.1039/c4ta01778a
收录类别SCI
WOS记录号WOS:000340347700036
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被引频次:16[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/311005/225110
专题多学科研究中心
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Liu, GH,Zhou, TT,Liu, WP,et al. Enhanced desulfurization performance of PDMS membranes by incorporating silver decorated dopamine nanoparticles[J]. JOURNAL OF MATERIALS CHEMISTRY A,2014,2(32):12907-12917.
APA Liu, GH.,Zhou, TT.,Liu, WP.,Hu, S.,Pan, FS.,...&曹兴忠.(2014).Enhanced desulfurization performance of PDMS membranes by incorporating silver decorated dopamine nanoparticles.JOURNAL OF MATERIALS CHEMISTRY A,2(32),12907-12917.
MLA Liu, GH,et al."Enhanced desulfurization performance of PDMS membranes by incorporating silver decorated dopamine nanoparticles".JOURNAL OF MATERIALS CHEMISTRY A 2.32(2014):12907-12917.
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