Technologies
Advanced oxidation processes (AOPs) are physical-chemical processes capable of producing changes in the structure of contaminants by increasing their biodegradability through the use of the hydroxyl radical (OH-).
Advanced oxidation processes are classified as photochemical or non-photochemical processes, depending on whether or not they use light radiation.
Classification of advanced oxidation processes:
| NON-PHOTOCHEMICAL PROCESSES | PHOTOCHEMICAL PROCESSES |
| Ozonation in alkaline medium | Oxidation in sub and supercritical water |
| Ozonation with hydrogen peroxide | Water photolysis in ultraviolet vacuum |
| Fenton processes | UV/H2O2 |
| Electrochemical oxidation | UV/O3 |
| Radiolysis and electron beam treatment | Photo – Fenton and related processes |
| Non-thermal plasma | Heterogeneous photocatalysis |
| Electrohydraulic and ultrasonic unloading | Homogeneous photocatalysis |
The advanced oxidation process used will depend on the chemical characteristics of the water to be treated.
