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Membrane fouling in vacuum membrane distillation for ionic liquid recycling: Interaction energy analysis with the XDLVO approach
Wu, Huanhuan1,2; Shen, Fei1,2; Wang, Junfeng1; Wan, Yinhua1,2
2018-03-15
Source PublicationJOURNAL OF MEMBRANE SCIENCE
ISSN0376-7388
Volume550Pages:436-447
AbstractMembrane fouling, essentially originated from the interactions between foulant and membrane surface, is a big obstacle to use membrane distillation (MD) for ionic liquid recycling from its aqueous solution. By applying the extended Derjaguin-Landau-Verwey-Overbeek (XDLVO) approach and surface element integration method, this study mainly investigated the fouling behavior of three kinds of hydrophobic membranes during the vacuum MD (VMD) separation of 1-butyl-3-methylimidazolium chloride ([Bmim] Cl) solutions. Effects of membrane surface chemical properties (e.g. elemental composition and zeta potential), membrane surface morphology (e.g. roughness), and [Bmim] Cl concentration on the interaction energy between [Bmim] Cl and membrane surface were studied. The results showed that the Lifshitz-van der Waals (LW) and electrostatic interaction (EL) components were positive (repulsion), while the acid-base (AB) interaction component was negative (attraction). Roughening membrane surface significantly decreased the interaction energy barrier, indicating a greater risk of being fouled. Even so, membrane surface chemical properties had more important impact on membrane fouling than surface morphology. Energy barrier would be also reduced when [Bmim] Cl concentration increased, signifying a severer membrane fouling potential in a concentration process. These results were expected to help to understand ILs-fouling mechanism in VMD process and guide the selection and fabrication of promising membrane for ILs recovery.
KeywordIonic Liquid Membrane Distillation Fouling Xdlvo Theory Interaction Energy
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1016/j.memsci.2018.01.018
Indexed BySCI
Language英语
WOS KeywordINTERFACIAL INTERACTIONS ; PHYSICOCHEMICAL INTERACTIONS ; SURFACE MODIFICATION ; DLVO INTERACTIONS ; BIOREACTOR ; FILTRATION ; PROPERTY ; BEHAVIOR ; ULTRAFILTRATION ; NANOFILTRATION
WOS Research AreaEngineering ; Polymer Science
WOS SubjectEngineering, Chemical ; Polymer Science
Funding OrganizationNational Natural Science Foundations of China(21106153) ; Solar Energy Initiative of the Chinese Academy of Sciences(KGCX2-YW-380) ; National High-Tech R&D Program of China(2012AA021202 ; 2014AA021005)
WOS IDWOS:000424469100044
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/24044
Collection生化工程国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wu, Huanhuan,Shen, Fei,Wang, Junfeng,et al. Membrane fouling in vacuum membrane distillation for ionic liquid recycling: Interaction energy analysis with the XDLVO approach[J]. JOURNAL OF MEMBRANE SCIENCE,2018,550:436-447.
APA Wu, Huanhuan,Shen, Fei,Wang, Junfeng,&Wan, Yinhua.(2018).Membrane fouling in vacuum membrane distillation for ionic liquid recycling: Interaction energy analysis with the XDLVO approach.JOURNAL OF MEMBRANE SCIENCE,550,436-447.
MLA Wu, Huanhuan,et al."Membrane fouling in vacuum membrane distillation for ionic liquid recycling: Interaction energy analysis with the XDLVO approach".JOURNAL OF MEMBRANE SCIENCE 550(2018):436-447.
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