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Layer-by-layer assembly of anion exchange membrane by electrodeposition of polyelectrolytes for improved antifouling performance
Zhao, Zhijuan1,2; Shi, Shaoyuan1,2,3; Cao, Hongbin1,2; Li, Yujiao1,2; Van der Bruggen, Bart4,5
2018-07-15
Source PublicationJOURNAL OF MEMBRANE SCIENCE
ISSN0376-7388
Volume558Pages:1-8
Abstract

This study demonstrates the feasibility of layer-by-layer (LbL) assembly of poly(sodium 4-styrene sulfonate) (PSS)/poly(diallyldimethylammonium chloride) (PDADMAC) polyelectrolyte multilayers on an anion exchange membrane (AEM). The electrodeposition of (PSS/ PDADMAC)(n) multilayers on the AEM with a PSS layer as the top surface endows the surface with negative charges and increases the surface hydrophilicity, leading to a significantly improved antifouling performance in electrodialysis (ED) to an organic foulant, i.e., sodium dodecyl sulfate (SDS). The desalination rate during 180 min increased from 24.0% for the pristine AEM to 30.5% for a 5.5 PSS/ PDADMAC bilayers modified AEM with 75 mg/L SDS in the initial solution. A SDS fouling layer was formed at the dilute side of the pristine AEM, causing a sharp increase of electrical resistance and restricting the ion transport through the AEM completely. Electrodeposition of 5.5 PSS/ PDADMAC bilayers prevented the formation of the SDS fouling layer at the surface of AEM, which reduced the sharp increase of electrical resistance and kept the ion transport through the AEM unaffected. With 100 or 150 mg/L SDS in the initial solution, the desalination rate during 180 min increased from 24.1% or 15.4% for the pristine AEM to 28.4% or 26.8% for the 5.5 PSS/ PDADMAC bilayers modified AEM.

KeywordAnion Exchange Membrane Layer-by-layer Polyelectrolytes Antifouling Electrical Impedance Spectroscopy
DOI10.1016/j.memsci.2018.04.035
Language英语
WOS KeywordEnhanced Monovalent Selectivity ; Of-the-art ; Electrodialysis Process ; Surface Modification ; Water-purification ; Organic-acids ; Nanofiltration ; Desalination ; Recovery ; Energy
Funding ProjectNational Natural Science Foundation of China[21076214] ; National Natural Science Foundation of China[51425405] ; 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] ; China Scholarship Council
WOS Research AreaEngineering ; Polymer Science
WOS SubjectEngineering, Chemical ; Polymer Science
Funding OrganizationNational Natural Science Foundation of China ; Science and Technology Open Cooperation Project of Henan Province ; Beijing Natural Science Foundation ; Major Science and Technology Program for Water Pollution Control and Treatment ; China Scholarship Council
WOS IDWOS:000432588600001
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/24726
Collection中国科学院过程工程研究所
Corresponding AuthorShi, Shaoyuan
Affiliation1.Chinese Acad Sci, Beijing Res Ctr Proc Pollut Control, Inst Proc Engn,State Key Lab Biochem Engn, CAS Key Lab Green Proc & Engn,Div Environm Techno, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Zhengzhou Inst Emerging Ind Technol, Zhengzhou 450000, Henan, Peoples R China
4.Katholieke Univ Leuven, Dept Chem Engn, Celestijnenlaan 200 F, B-3001 Leuven, Belgium
5.Tshwane Univ Technol, Fac Engn & Built Environm, Private Bag X680, ZA-0001 Pretoria, South Africa
Recommended Citation
GB/T 7714
Zhao, Zhijuan,Shi, Shaoyuan,Cao, Hongbin,et al. Layer-by-layer assembly of anion exchange membrane by electrodeposition of polyelectrolytes for improved antifouling performance[J]. JOURNAL OF MEMBRANE SCIENCE,2018,558:1-8.
APA Zhao, Zhijuan,Shi, Shaoyuan,Cao, Hongbin,Li, Yujiao,&Van der Bruggen, Bart.(2018).Layer-by-layer assembly of anion exchange membrane by electrodeposition of polyelectrolytes for improved antifouling performance.JOURNAL OF MEMBRANE SCIENCE,558,1-8.
MLA Zhao, Zhijuan,et al."Layer-by-layer assembly of anion exchange membrane by electrodeposition of polyelectrolytes for improved antifouling performance".JOURNAL OF MEMBRANE SCIENCE 558(2018):1-8.
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