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RSS FeedsSustainability, Vol. 9, Pages 1604: Sulfate Radical Technologies as Tertiary Treatment for the Removal of Emerging Contaminants from Wastewater (Sustainability)

 
 

8 september 2017 18:15:55

 
Sustainability, Vol. 9, Pages 1604: Sulfate Radical Technologies as Tertiary Treatment for the Removal of Emerging Contaminants from Wastewater (Sustainability)
 




Water scarcity and water pollution is a worldwide problem and has driven research into eco-friendly and low-energy cost efficient remediation. The reuse of wastewater for non-potable purpose after proper treatment is the only sustainable solution to the problem. Advanced oxidation processes (AOP) based on the in-situ generation of hydroxyl radicals have been intensively investigated for this purpose as a treatment step to achieve wastewater reuse. The main degradation mechanism of AOPs is based on the reaction of hydroxyl radicals with dissolved organic matter. However, hydroxyl radicals follow unselective multi-step pathways, limiting their efficiency in complex environmental matrices. To overcome such limitations, AOP treatment, based on generation of sulfate radicals, has been developed and widely investigated. This current mini-review will cover the most recent developments regarding emerging contaminant removal, i.e., organic micropollutants, using sulfate radicals generated by active persulfate or peroxymonosulfate, with a focus on an application to wastewater effluents for possible wastewater reuse.


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136 viewsCategory: Ecology
 
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