Property characterization and mechanism analysis on organic fouling of structurally different anion exchange membranes in electrodialysis
Zhao, Zhijuan1,2; Shi, Shaoyuan1,2; Cao, Hongbin1,2; Shan, Baoqing2,3; Sheng, Yuxing1,2
2018-02-15
发表期刊DESALINATION
ISSN0011-9164
卷号428页码:199-206
摘要The physicochemical and structural properties of the AMX (homogeneous AEM), AMA (semi-homogeneous AEM) and HAEM (heterogeneous AEM) were characterized systematically to examine their effects on membrane fouling from sodium dodecyl sulfate (SDS) in electrodialysis. Results demonstrated that the fouling of three AEMs was closely related to their membrane structure, and the denser membrane structure caused more SDS accumulated on the membrane surface to make the severer membrane fouling. The existence of SDS in the dilute solution caused the desalination rate of AMX, AMA and HAEM decreased by 42.3%, 15.3% and 9.2%, respectively. Different fouling layer was formed on the surface of AMX and AMA except HAEM, which was demonstrated firstly by element mapping of membrane cross-section. Electrochemical impedance spectroscopy (EIS) suggested the ionic migration through the fouled AMX was restricted completely, different from the trans membrane migration of partial ions through the fouled AMA and HAEM. Compared with the fouled AMA and HAEM, the performance of the fouled AMX caused by SDS was more difficult to be recovered due to its denser membrane structure.
关键词Anion Exchange Membrane Structure Differences Membrane Fouling Surface Properties Electrochemical Impedance Spectroscopy
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1016/j.desal.2017.11.021
收录类别SCI
语种英语
关键词[WOS]IMPEDANCE ; TRANSPORT ; WATER ; SALT ; SUBSTANCES ; SEPARATION ; INDUSTRY ; SYSTEMS
WOS研究方向Engineering ; Water Resources
WOS类目Engineering, Chemical ; Water Resources
项目资助者National Natural Science Foundation of China(21076214) ; National Science Foundation for Distinguished Young Scholars of China(51425405) ; National Key Research and Development Plan(2016YFB0600505) ; Science and Technology Open Cooperation Project of Henan Province(172106000076) ; Beijing Natural Science Foundation(8132047) ; Major Science and Technology Program for Water Pollution Control and Treatment(2014ZX07201-011 ; 2014ZX07510-001)
WOS记录号WOS:000423638300016
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/23990
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Natl Engn Lab Hydromet Cleaner Prod Technol, Div Environm Technol & Engn, Inst Proc Engn,Beijing Engn Res Ctr Proc Pollut C, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
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Zhao, Zhijuan,Shi, Shaoyuan,Cao, Hongbin,et al. Property characterization and mechanism analysis on organic fouling of structurally different anion exchange membranes in electrodialysis[J]. DESALINATION,2018,428:199-206.
APA Zhao, Zhijuan,Shi, Shaoyuan,Cao, Hongbin,Shan, Baoqing,&Sheng, Yuxing.(2018).Property characterization and mechanism analysis on organic fouling of structurally different anion exchange membranes in electrodialysis.DESALINATION,428,199-206.
MLA Zhao, Zhijuan,et al."Property characterization and mechanism analysis on organic fouling of structurally different anion exchange membranes in electrodialysis".DESALINATION 428(2018):199-206.
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