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Fabrication of high silicalite-1 content filled PDMS thin composite pervaporation membrane for the separation of ethanol from aqueous solutions
Zhou, Haoli1; Zhang, Jinqiang1; Wan, Yinhua2; Jin, Wanqin1
2017-02-15
发表期刊JOURNAL OF MEMBRANE SCIENCE
ISSN0376-7388
卷号524页码:1-11
摘要

Sedimentation of silicalite-1 occurs in the fabrication of thin silicalite-1 filled polydimethylsiloxane (PDMS) hybrid composite membranes if the viscosity of membrane solution is low, which makes this preparation challenging. In this work, a new method that use a platinum catalytic agent to assist the pre-polymerization of PDMS polymer to increase the viscosity of the membrane solution was studied. With this method, supported silicalite-1 filled PDMS hybrid composite membranes were fabricated and applied in the pervaporative separation of a 5 wt% dilute ethanol aqueous solution. The effect of the concentration of platinum catalytic agent on the membrane properties was first investigated using CRM, DSC and extraction experiment. Optimum of viscosity of the composite membrane solution was then conducted and a selective layer of as thin as 5 gm thickness was obtained with a flux of 5.52 kg/m(2)h in combination with a separation factor of 15.5 at 50 degrees C. After that the separation performances of different thick membranes, interfacial adhesion properties of hybrid membranes, comparisons with other reported results and membrane stability were investigated. Results showed homemade silicalite-1-PDMS hybrid composite membrane offers relatively high separation performance, indicating a potential industrial application for the separation of ethanol from aqueous solutions.

关键词Pdms Silicalite-1 Thin Hybrid Membrane Pervaporation Ethanol Aqueous Solution
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1016/j.memsci.2016.11.029
收录类别SCI
语种英语
关键词[WOS]Mixed Matrix Membranes ; Hybrid Membranes ; Permselective Pervaporation ; Improved Performance ; Cross-linking ; Hollow-fiber ; Recovery ; Flux ; Zeolite ; Surface
WOS研究方向Engineering ; Polymer Science
WOS类目Engineering, Chemical ; Polymer Science
项目资助者Natural Science Foundation of Jiangsu Province(BK20130925) ; National Natural Science Foundation of China(21490585 ; Project of Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Innovative Research Team Program by the Ministry of Education of China(IRT13070) ; Foundation from State Key Laboratory of Materials-Oriented Chemical Engineering(ZK201313) ; 21306080)
WOS记录号WOS:000392769000001
引用统计
被引频次:7[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/122111/21904
专题生化工程国家重点实验室
作者单位1.Nanjing Tech Univ, Coll Chem Engn, State Key Lab Mat Oriented Chem Engn, Jiangsu Natl Synerget Innovat Ctr Adv Mat, 5 Xinmofan Rd, Nanjing 210009, Jiangsu, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
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Zhou, Haoli,Zhang, Jinqiang,Wan, Yinhua,et al. Fabrication of high silicalite-1 content filled PDMS thin composite pervaporation membrane for the separation of ethanol from aqueous solutions[J]. JOURNAL OF MEMBRANE SCIENCE,2017,524:1-11.
APA Zhou, Haoli,Zhang, Jinqiang,Wan, Yinhua,&Jin, Wanqin.(2017).Fabrication of high silicalite-1 content filled PDMS thin composite pervaporation membrane for the separation of ethanol from aqueous solutions.JOURNAL OF MEMBRANE SCIENCE,524,1-11.
MLA Zhou, Haoli,et al."Fabrication of high silicalite-1 content filled PDMS thin composite pervaporation membrane for the separation of ethanol from aqueous solutions".JOURNAL OF MEMBRANE SCIENCE 524(2017):1-11.
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