Journal ArticleDOI
Enhanced Desalination Performance of a Flow-Electrode Capacitive Deionization System by Adding Vanadium Redox Couples and Carbon Nanotubes
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In this article, a flow-electrode capacitive deionization (FCDI) technology can achieve continuous desalination via the electrodialysis coupling method, however, electrical energy is still highly consumed.Abstract:
Flow-electrode capacitive deionization (FCDI) technology can achieve continuous desalination via the electrodialysis coupling method. However, electrical energy is still highly consumed. In this wo...read more
Citations
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Membrane technology: A versatile tool for saline wastewater treatment and resource recovery
TL;DR: In this article, the authors provide a frame of state-of-the-art approaches for saline wastewater treatment based on membrane technology and stimulate ideas to enhance the treatment efficiency and sustainability in these related works.
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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
TL;DR: In this article, an appropriate amount of KI3 was introduced 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.
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Effective fluoride removal from brackish groundwaters by flow-electrode capacitive deionization (FCDI) under a continuous-flow mode
TL;DR: In this paper , the suitability and effectiveness of utilizing flow-electrode capacitive deionization (FCDI) for treatment of fluoride-contaminated brackish groundwater was demonstrated.
Journal ArticleDOI
Effective fluoride removal from brackish groundwaters by flow-electrode capacitive deionization (FCDI) under a continuous-flow mode
TL;DR: In this article, the suitability and effectiveness of utilizing flow-electrode capacitive deionization (FCDI) for treatment of fluoride-contaminated brackish groundwater was demonstrated.
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Redox-catalysis flow electrode desalination in an organic solvent
Qiang Wei,Lufan Tang,Karthick Ramalingam,Mengjun Liang,Jinxing Ma,Yumeng Shi,Kwun Nam Hui,Kwan San Hui,Fuming Chen +8 more
TL;DR: In this paper, an organic redox flow electrode was proposed to achieve a quick salt removal process and low energy consumption in capacitive deionization (FCDI) devices, where the organic medium, i.e., acetonitrile, containing 50 mM NaI/30 mM I2 electrolyte as the redox couples replaces the conventional water-based electrolyte.
References
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Journal ArticleDOI
Water desalination via capacitive deionization : What is it and what can we expect from it?
TL;DR: Capacitive deionization (CDI) is an emerging technology for the facile removal of charged ionic species from aqueous solutions, and is currently being widely explored for water desalination applications.
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Capacitive deionization as an electrochemical means of saving energy and delivering clean water. Comparison to present desalination practices: Will it compete?
TL;DR: Capacitive deionization (CDI) is an electrochemical water treatment process that holds the promise of not only being a commercially viable alternative for treating water but for saving energy as well as mentioned in this paper.
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Desalination via a new membrane capacitive deionization process utilizing flow-electrodes
Sungil Jeon,Hong-ran Park,Jeong-gu Yeo,SeungCheol Yang,Churl-Hee Cho,Moon Hee Han,Dong Kook Kim +6 more
TL;DR: In this paper, a capacitive deionization process utilizing flow-electrodes (FCDI) was designed and evaluated for use in seawater desalination, which exhibited excellent removal efficiency (95%) with respect to an aqueous NaCl solution (salt concentration: 32.1 g L−1), demonstrating that the FCDI process could effectively overcome the limitations of typical CDI processes.
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Charge-transfer materials for electrochemical water desalination, ion separation and the recovery of elements
Pattarachai Srimuk,Pattarachai Srimuk,Xiao Su,Jeyong Yoon,Doron Aurbach,Volker Presser,Volker Presser +6 more
TL;DR: In this paper, the authors assess electrochemical-desalination mechanisms and materials, including ion electrosorption and charge transfer processes, and discuss performance metrics and cell architectures, which decouple from the nature of the electrode material and the underlying mechanism to show the versatility of cell design concepts.
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Dual-ions electrochemical deionization: a desalination generator
TL;DR: In this paper, the authors presented a concept of flow dual-ions electrochemical deionization technology, which consists of BiOCl for chloride ion Faradaic electrode on the negative side, sodium manganese oxide (Na 0.44MnO2) as sodium ion faradaic electrodes on the positive side, and a flow salt feed as electrolyte.