Sono, photo and sonophotocatalysis are major Advanced Oxidation Processes (AOP) under intensive investigation as potential technologies for the removal of trace pollutants from water.The techniques involve the formation and participation of Reactive Oxygen Species (ROS) like . OH, HO2 . , O2 . , H2O2 etc. Among these, H2O2 is the most stable and is also a precursor for the reactive free radical...