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Electrochemical impedance spectroscopy and surface properties characterization of anion exchange membrane fouled by sodium dodecyl sulfate
Zhao, Zhijuan1,2; Shi, Shaoyuan1,2; Cao, Hongbin1,2; Li, Yuping1,2
2017-05-15
Source PublicationJOURNAL OF MEMBRANE SCIENCE
ISSN0376-7388
Volume530Pages:220-231
Abstract

In this study, the fouling of anion exchange membrane (AEM) in electrodialysis was investigated using sodium dodecyl sulfate (SDS) as a model foulant, and the effect of membrane cleaning on the properties of the fouled AEMs was examined further. Results showed that the severer fouling of AEM was caused by the higher concentration of SDS in the feed solution, and a dense SDS fouling layer was formed on the ARM surface, causing the obvious increase of electrical resistance and the deterioration of desalination performance. Electrochemical impedance spectroscopy (EIS) indicated the SDS fouling layer on the AEM could hinder, even restrict completely the transmembrane migration of the ions, especially at high concentration of SDS. The cleaning experiment showed the cleaning effect of ultra -pure water was similar to that of Ha solution, but was better than that of NaOH solution, in which most SDS on the fouled AEM could be removed effectively by cleaned in ultra-pure water. EIS of the fouled AEMs before and after cleaned indicated that the remaining SDS on the cleaned AEM had almost no influence on the transmembrane migration of the ions through AEM.

KeywordAnion Exchange Membrane Membrane Fouling Electrochemical Impedance Spectroscopy Surface Properties Membrane Cleaning
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1016/j.memsci.2017.02.037
Indexed BySCI
Language英语
WOS KeywordDiffusion Boundary-layer ; Electrodialysis ; Water ; Systems ; Transport ; Behavior ; Plant ; Salt
WOS Research AreaEngineering ; Polymer Science
WOS SubjectEngineering, Chemical ; Polymer Science
Funding OrganizationNational Natural Science Foundation of China(21076214) ; National Science Foundation for Distinguished Young Scholars of China(51425405) ; Beijing Natural Science Foundation(8132047) ; National water pollution control and management technology major projects(2014ZX07201-011)
WOS IDWOS:000397699100024
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/22137
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Chinese Acad Sci, Key Lab Green Proc & Engn, Beijing Engn Res Ctr Proc Pollut Control, Inst Proc Engn,Div Environm Technol & Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Zhijuan,Shi, Shaoyuan,Cao, Hongbin,et al. Electrochemical impedance spectroscopy and surface properties characterization of anion exchange membrane fouled by sodium dodecyl sulfate[J]. JOURNAL OF MEMBRANE SCIENCE,2017,530:220-231.
APA Zhao, Zhijuan,Shi, Shaoyuan,Cao, Hongbin,&Li, Yuping.(2017).Electrochemical impedance spectroscopy and surface properties characterization of anion exchange membrane fouled by sodium dodecyl sulfate.JOURNAL OF MEMBRANE SCIENCE,530,220-231.
MLA Zhao, Zhijuan,et al."Electrochemical impedance spectroscopy and surface properties characterization of anion exchange membrane fouled by sodium dodecyl sulfate".JOURNAL OF MEMBRANE SCIENCE 530(2017):220-231.
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