ABSTRACT
Advanced oxidation processes (AOPs) are promising techniques for the remediation of wastewater containing organic contaminants. This chapter highlights the photo-Fenton process, one of the emerging AOPs to decompose complex organic pollutants into simple intermediates. However, the cost of this process is a major drawbacks. So, to make the process cost-effective, it can be performed under visible light or solar light irradiation. To attain the photo-Fenton reaction under visible light irradiation, modifications need to be done to the existing photocatalysts. This chapter also discusses the operational parameters that affect the degradation efficiency, such as the pH of the solution, the load of photocatalysts, the oxidant concentration, and the wavelength of the light source. It summarizes the studies undertaken for the degradation of various organic pollutants via the photo-Fenton method under visible light irradiation.
