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Significantly enhanced desalination performance of flow-electrode capacitive deionization via cathodic iodide redox couple and its great potential in treatment of iodide-containing saline wastewater

文献类型：期刊论文

作者Luo, Kunyue2,3; Chen, Ming1; Xing, Wenle2,3; Duan, Mengbiao2,3; Du, Jiaxin2,3; Zeng, Guangming2,3; Tang, Wangwang2,3
刊名CHEMICAL ENGINEERING JOURNAL
出版日期2021-10-01
卷号421页码:7
关键词Capacitive deionization Water desalination Ion removal Iodide-containing saline wastewater
ISSN号1385-8947
DOI10.1016/j.cej.2021.129905
通讯作者Zeng, Guangming(zgming@hnu.edu.cn) ; Tang, Wangwang(wtang@hnu.edu.cn)
英文摘要Flow-electrode capacitive deionization (FCDI) is attracting growing attention owing to its advantages such as effective ion removal capacity and easy management of the electrodes. Optimization of the flow-electrode comprising carbon materials and aqueous electrolyte is always a research hotspot aimed at improving FCDI performance. Herein, we innovatively introduced appropriate amount of KI3 into the cathodic flow-electrode to provide a highly efficient means of enhancing FCDI desalination performance with a stable behavior in salt electrosorption and desorption over multi-cycle consecutive runs. The accelerated salt removal rate originated from the reversible redox reaction of I3- /I- and the maintenance of the electro-neutrality of the global electrolyte. Although possible minor release or leakage of I- /I3- through the cation-exchange membrane and into the treated water occurred, which makes the proposed approach not quite suitable for potable water production, we demonstrated that this system has great application prospects in treatment of iodide-containing saline wastewater without causing secondary pollution.
资助项目National Natural Science Foundation of China[51809088] ; Funds for Innovative Province Construction of Hunan Province of China[2019RS1025] ; Fundamental Research Funds for the Central Universities[531118010106]
WOS研究方向Engineering
语种英语
WOS记录号WOS:000664129200004
出版者ELSEVIER SCIENCE SA
源URL[http://119.78.100.138/handle/2HOD01W0/13753]  
专题中国科学院重庆绿色智能技术研究院
通讯作者Zeng, Guangming; Tang, Wangwang
作者单位1.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Key Lab Reservoir Aquat Environm, Chongqing 400714, Peoples R China
2.Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Peoples R China
3.Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Peoples R China
推荐引用方式
GB/T 7714		 Luo, Kunyue,Chen, Ming,Xing, Wenle,et al. Significantly enhanced desalination performance of flow-electrode capacitive deionization via cathodic iodide redox couple and its great potential in treatment of iodide-containing saline wastewater[J]. CHEMICAL ENGINEERING JOURNAL,2021,421:7.
APA Luo, Kunyue.,Chen, Ming.,Xing, Wenle.,Duan, Mengbiao.,Du, Jiaxin.,...&Tang, Wangwang.(2021).Significantly enhanced desalination performance of flow-electrode capacitive deionization via cathodic iodide redox couple and its great potential in treatment of iodide-containing saline wastewater.CHEMICAL ENGINEERING JOURNAL,421,7.
MLA Luo, Kunyue,et al."Significantly enhanced desalination performance of flow-electrode capacitive deionization via cathodic iodide redox couple and its great potential in treatment of iodide-containing saline wastewater".CHEMICAL ENGINEERING JOURNAL 421(2021):7.

入库方式： OAI收割

来源：重庆绿色智能技术研究院

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