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Concentration of ionic liquids by nanofiltration for recycling: Filtration behavior and modeling
Wang, Junfeng; Luo, Jianquan; Zhang, Xiangping; Wan, Yinhua
2016-06-13
发表期刊SEPARATION AND PURIFICATION TECHNOLOGY
ISSN1383-5866
卷号165期号:JUNE页码:18-26
摘要The study of filtration behavior in the concentration of ionic liquids (ILs) using nanofiltration (NF) membranes is of significance to recycle IL from the solution obtained by the dissolution of natural polymer and raw biomass. Firstly, the transmembrane pressure for the binary 1-allyl-3-methylimidazolium chloride ([AMIM]Cl)- H2O, 1-butyl-3-methylimidazolium chloride ([BMIM]Cl)- H2O and 1-butyl-3-methylimidazolium tetrafluoroborate ([BMIM]BF4)- H2O systems over the flux range from 6.64 to 132.74 L m(-2) h(-1) was examined using the dead-end filtration cell. Then, the solution-diffusion transport model was used to calculate the permeate flux of IL on the basis of radii of anion and cation in IL taken from literature. The real IL retention with NF270 was lower than that with NF90 which attained around 96% for [BMIM]Cl IL at a permeate flux of 53.10 L m(-2) h(-1). For the two membranes, the retention of [BMIM]Cl was higher than that of [BMIM]BF4 even if the radius of [BMIM]BF4 was slightly larger. Finally, under the optimal experimental parameters, [BMIM]Cl in the binary system of [BMIM]CI-H2O can be concentrated to approximately 20 weight percent (wt%). All of these will provide necessary fundamental data for the application of NF technology to concentrate IL in the IL-H2O system. (C) 2016 Elsevier B.V. All rights reserved.
关键词Nanofiltration Ionic Liquids Filtration Behavior Concentrating Recycling
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.seppur.2016.03.042
收录类别SCI
语种英语
关键词[WOS]ORGANIC-SOLVENT NANOFILTRATION ; REVERSE-OSMOSIS ; WASTE-WATER ; MEMBRANES ; TRANSPORT ; SEPARATION ; CELLULOSE ; DISSOLUTION ; RETENTION ; REJECTION
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者National Natural Science Foundation of China(21206165 ; Li Foundation USA, Inc. ; U1407111)
WOS记录号WOS:000375825700003
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/122111/21075
专题生化工程国家重点实验室
作者单位Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
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GB/T 7714
Wang, Junfeng,Luo, Jianquan,Zhang, Xiangping,et al. Concentration of ionic liquids by nanofiltration for recycling: Filtration behavior and modeling[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2016,165(JUNE):18-26.
APA Wang, Junfeng,Luo, Jianquan,Zhang, Xiangping,&Wan, Yinhua.(2016).Concentration of ionic liquids by nanofiltration for recycling: Filtration behavior and modeling.SEPARATION AND PURIFICATION TECHNOLOGY,165(JUNE),18-26.
MLA Wang, Junfeng,et al."Concentration of ionic liquids by nanofiltration for recycling: Filtration behavior and modeling".SEPARATION AND PURIFICATION TECHNOLOGY 165.JUNE(2016):18-26.
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