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Water is the most fundamental necessity of life and is used to conduct numerous industrial and household activities. The rapid progress in industrial sectors viz. mining, distillery, tannery, pharmaceutical, fertiliser, and textile industries amongst others as well as an increase in urbanisation, population growth, and living standards has resulted in the formation of refractory and toxic pollutants containing wastewater, which has caused water shortages throughout the world in recent years 

The present society has a basic need for an effective wastewater treatment system. It is crucial to integrate the biodegradability enhancement and mineralization of refractory organics to successfully treat different types of wastewater. This refers to the change in the structure of complex aromatic compounds to plain aliphatic compounds, which are then converted into the most stable form of carbon dioxide (CO₂) and water (H₂O) or into compounds that could be easily degenerated and further processed biologically [5]. Advanced oxidation processes (AOPs) are a class of chemical techniques that can significantly improve the biodegradability and remove refractory organic compounds from wastewater by oxidative reactions either through direct molecular ozone or indirect OH^• free radicals formed in a chain reaction mechanism. These processes are typically utilized to degrade wastewater containing biorefractory contaminants from different industrial sources [6]. Therefore, AOPs may be a potential choice for treating industrial wastewater as it can oxidize any types of contaminants.