Journal
CURRENT OPINION IN ELECTROCHEMISTRY
Volume 35, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.coelec.2022.101105
Keywords
Anodic oxidation; Peroxi-coagulation; Electro-sorption; Reactive elec- trochemical membrane; Reactive electro-mixing; Reactor design
Funding
- French National Research Agency through the REMixSyn project [ANR-21-CE04-0006-01]
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The combination of electro-separation and electro-conversion processes in wastewater treatment is gaining interest. The development of electrochemical advanced oxidation processes and materials with new properties have renewed attention on older electro-separation technologies. Further research and innovative designs are needed.
Wastewater treatment with reuse and recovery of value-added compounds for valorization is of rising interest, and the combination of electro-separation and electro-conversion processes could be a promising solution to both environ-mental and resource availability problems. The more recent concomitant development of both electrochemical advanced oxidation processes and materials with new properties make the older electro-separation technologies regain visibility and interest. The electrofiltration/electrooxidation or electro-reducti on, electrosorption/electrooxidation, electrocoagulation/electro-Fenton, electroprecipitation/elec-trooxidation and electrodeposition/electrooxidation have been particularly critically reviewed. The conventional flow-by or flow-through parallel-plate and concentric cylinders design do not suffice to face the antagonist requirements in such simultaneous multiple electroproccesses. Innovative designs are needed and emerging concepts such as reactive electro-mixing are a possibility. Further modeling and scale-up studies based on revised theory are required in the future.
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