Table of Contents
Advanced Oxidation Processes (AOPs) are widely used in water treatment to remove contaminants that are difficult to eliminate with conventional methods. These processes involve the generation of highly reactive species, such as hydroxyl radicals, which break down organic pollutants effectively. This article highlights some real-world applications of AOPs in water treatment facilities around the globe.
Industrial Wastewater Treatment
Many industries produce wastewater containing complex organic compounds. AOPs are employed to treat this wastewater before discharge. For example, pharmaceutical manufacturing plants use ozonation combined with hydrogen peroxide to degrade pharmaceutical residues, ensuring compliance with environmental regulations.
Drinking Water Purification
Municipal water treatment plants utilize AOPs to remove emerging contaminants such as pesticides and pharmaceuticals. UV/Hydrogen Peroxide is a common method, effectively degrading pollutants and improving water quality for public consumption.
Groundwater Remediation
In contaminated sites, AOPs are used for in-situ groundwater treatment. For instance, Fenton’s reagent, which combines hydrogen peroxide and iron catalysts, is injected into the subsurface to oxidize pollutants like chlorinated solvents, reducing their concentration in groundwater.
- Ozonation combined with UV light
- Fenton’s reagent application
- Ozone/hydrogen peroxide treatment
- Photocatalysis using titanium dioxide