Photodegradation of Pollutants
A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Materials Chemistry".
Deadline for manuscript submissions: closed (15 June 2022) | Viewed by 17336
Special Issue Editor
Special Issue Information
Dear Colleagues,
Water pollution is a worldwide problem, as various industries discharge their effluents into water resources. The photodegradation of water pollutants has important transformation pathways, and is in line with biodegradation and abiotic processes like hydrolysis. They may occur naturally as a self-cleaning process of some pollutants in sunlit surface waters.
Photoreaction pathways include direct photolysis, where the substrate absorbs sunlight and gets transformed, or indirect photochemistry. In the latter, sunlight is absorbed by naturally occurring molecules—photosensitisers—producing reactive transient species in aqueous solution when irradiated, which are involved in pollutant phototransformation. Photodegradation may be the main degradation pathway for various compounds—so-called contaminants of emerging concern (CECs).
Additionally, the photodegradation of water pollutants examines advanced oxidation processes (AOPs), which include irradiation with UV light and sunlight, and the use of homogenous sensitizers or heterogeneous photocatalysts. Such processes have been successfully applied in the treatment of various contaminants present in industrial and agricultural effluents, in municipal and hospital wastewaters, and for the inactivation of microorganisms including resistant pathogens.
This Special Issue deals with photodegradation as well as photocatalytic degradation of organic pollutants; including pesticides, dyes, phenols, chlorinated compounds, nitrogen containing compounds, surfactants, etc. It includes also photosensitisers, like nitrate, nitrite and dissolved organic matter, photogenerated transients.
This Special Issue of Molecules, “Photodegradation of Pollutants”, welcomes manuscripts covering all aspects of the photochemical reactions of pollutants, including their design and product assessment, as well as all aspects of heterogeneous and homogeneous photocatalytic processes and applications for the degradation of organic pollutants and disinfection in water and wastewater.
Prof. Dr. Polonca Trebse
Guest Editor
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Keywords
- surface-water photochemistry
- photodegradation
- indirect photolysis
- photosensitisers
- water pollutants
- photocatalysis (homogeneous and heterogeneous)
- advanced oxidation processes
- water disinfection
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