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High-Performance Capacitive Deionization of Copper Ions at Nanoporous ZnS-Decorated Carbon Felt
Jin, Wei1,2; Hu, Meiqing1
2019-01-28
Source PublicationJOURNAL OF THE ELECTROCHEMICAL SOCIETY
ISSN0013-4651
Volume166Issue:2Pages:E29-E34
AbstractExtraction of dilute copper ions from wastewater is of great importance for simultaneous remediation of heavy-metal pollution and recovery of valuable metals. In this study, an efficient and selective method for copper recovery using capacitive deionization on ZnS-decorated carbon felt electrodes was developed and found suitable for use in HCl electrolytes. With the introduction of ZnS, the modified electrode exhibited a nanoporous structure with enhanced electrochemical capacitance, increased surface area and improved wettability. As a result, the copper ions were successfully removed via electrostatic interactions at low voltages of -0.2 V, in which the removal capacity of 27.4 mg.g(-1) is much better than the corresponding ones of FeS-decorated (18 mg.g(-1)) and pristine (12 mg.g(-1)) carbon felts. In addition to improved performance, enhanced adsorption-desorption stability and selectivity were observed during long-term tests in the presence of co-existing metallic ions and natural organic matter, offering promising potential as an alternative metal recycling and water purification technique. (C) 2019 The Electrochemical Society.
DOI10.1149/2.1061902jes
Language英语
WOS KeywordACTIVATED CARBON ; ELECTRODE MATERIAL ; SURFACE-AREA ; GRAPHENE ; WATER ; RECOVERY ; REMOVAL ; SPONGE ; ELECTROSORPTION ; CR(VI)
Funding ProjectNational Natural Science Foundation of China[51604253] ; MOE & SAFEA for the 111 Project[B13025]
WOS Research AreaElectrochemistry ; Materials Science
WOS SubjectElectrochemistry ; Materials Science, Coatings & Films
Funding OrganizationNational Natural Science Foundation of China ; MOE & SAFEA for the 111 Project
WOS IDWOS:000457101800001
PublisherELECTROCHEMICAL SOC INC
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/27765
Collection中国科学院过程工程研究所
Corresponding AuthorJin, Wei
Affiliation1.Jiangnan Univ, Sch Chem & Mat Engn, Minist Educ, Key Lab Synthet & Biol Colloids, Wuxi 214122, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Jin, Wei,Hu, Meiqing. High-Performance Capacitive Deionization of Copper Ions at Nanoporous ZnS-Decorated Carbon Felt[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2019,166(2):E29-E34.
APA Jin, Wei,&Hu, Meiqing.(2019).High-Performance Capacitive Deionization of Copper Ions at Nanoporous ZnS-Decorated Carbon Felt.JOURNAL OF THE ELECTROCHEMICAL SOCIETY,166(2),E29-E34.
MLA Jin, Wei,et al."High-Performance Capacitive Deionization of Copper Ions at Nanoporous ZnS-Decorated Carbon Felt".JOURNAL OF THE ELECTROCHEMICAL SOCIETY 166.2(2019):E29-E34.
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