Recent Applications of Photocatalysis for Wastewater Treatment

Dear Colleagues,

Photocatalytic processes have demonstrated their potential for the removal of pollutants and disinfection of water, obtaining good results as pre- or post-treatment of traditional wastewater treatment plants. However, there still are several aspects that deserve the interest of researchers and see continuous development. Increasing photonic efficiency, synthesizing materials in the nanoscale, finding new niche applications, revalorizing wastes or designing new reactors can be highlighted, among others. The source of irradiation and the range of wavelength used are also a critical issue to be studied. The use of solar radiation has been studied during the last 20 years due to its economic and ecological convenience versus the use of lamps. Nevertheless, the revolution caused by LED technologies has also reinforced the interest of applying photocatalytic processes for water treatment, employing artificial irradiation. As can be seen, the field of photocatalysis for water treatment continues growing year by year, and we encourage all researchers working in this field to send us their manuscripts with their latest advances in this area.

Prof. Dr. Lucas Santos-Juanes
Guest Editor

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• photocatalysis
• wastewater
• photo-Fenton
• semiconductors
• photoreactors
• solar energy