Electrochemical and Photo-Electrochemical Catalytic Processes for the Treatment and Valorization of Wastewater

Dear Colleagues,

Electrochemical and photo-electrochemical treatments are fascinating technologies whose effectiveness has been proven for the removal of hazardous pollutants. Since these processes are driven by energy and utilize electrons as reactants, they are often defined as environmentally friendly, especially when they are powered by renewable energy sources. Among the many advantages of these techniques, their extensive applicative potential has enabled the removal of numerous environmental pollutants from different matrices: indeed, electrochemical oxidation, electrochemical reduction, electrocoagulation, electrodialysis, and electrochemical advanced oxidation processes have been successfully applied. Moreover, during these processes, high-value chemicals including hydrogen are formed, allowing the valorization of wastewater to be achieved. This is coherent with the concept of the circular economy as wastewater is reviewed as a raw material. However,  this objective has not yet been achieved. Therefore, this Special Issue focuses on advancements in the application of materials and processes for electro and photoelectrochemical wastewater treatment, ranging from the synthesis, characterization, and application of materials as electrodes and photoelectrodes, as well as studies of catalytic processes, reaction kinetics, and the modelling/simulation of reactions and processes. Moreover, studies on the concept  of valorization, such as the production of hydrogen, ammonia and the other chemicals formed during wastewater treatment with a higher added value, are welcome.

Prof. Dr. Annalisa Vacca
Guest Editor

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• electrochemical treatment
• photo-electrochemical treatment
• wastewaters
• synthesis and characterization of electrodes
• wastewater valorization