A review on three-dimensional eletrochemical systems: analysis of influencing parameters and cleaner approach mechanism for wastewater

In recent times, three-dimensional (3D) electrochemical technology was seen as efficient treatment in treating wastewater. 3D-system was found to be more superior to two-dimensional (2D) system due to its large surface area and short mass transfer distance. This paper mainly focuses on the major mai...

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Bibliographic Details
Published in:Reviews in environmental science and biotechnology 2020-12, Vol.19 (4), p.873-896
Main Authors: GracePavithra, Kirubanandam, Senthil Kumar, P., Jaikumar, V., SundarRajan, PanneerSelvam
Format: Article
Language:English
Subjects:
Atmospheric Protection/Air Quality Control/Air Pollution
Earth and Environmental Science
Electrochemistry
Electrodes
Environment
Environmental Engineering/Biotechnology
Hydraulic retention time
Mass transfer
Microbiology
Parameters
Pollutants
Pretreatment
Retention time
Review Paper
Three dimensional analysis
Wastewater treatment
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Summary:In recent times, three-dimensional (3D) electrochemical technology was seen as efficient treatment in treating wastewater. 3D-system was found to be more superior to two-dimensional (2D) system due to its large surface area and short mass transfer distance. This paper mainly focuses on the major main electrodes as well as particle electrodes utilised so far. The mechanism involved in 3D electrochemical reactor, its advantages and the structure of this 3D system have been discussed. The influencing operating parameter such as pH, current density, circulation flow, inter-electrode distance, hydraulic retention time, initial pollutant concentration, particle electrode dosage was discussed. The synergic effects due to the involvement of particle electrode were also discussed. The usage of 3D-system as pre-treatment as well as combined system was presented in detail.
ISSN:1569-1705
1572-9826
DOI:10.1007/s11157-020-09550-0