ABSTRACT
An advanced oxidation process (AOP) (see also Chapter 2) is characterized by the production of hydroxyl radicals, which are the main species responsible for oxidation. AOPs can be classified according to the experimental conditions applied. Thus, there are AOPs carried out at ambient conditions of temperature and pressure and at severe experimental conditions. Belonging to the first group are the ozone-involving AOPs such as ozone at high pH, ozone/hydrogen peroxide (O3/H2O2), ozone/UV radiation (O3/UV), ozone/catalyst (O3/Cat), etc.,1,2 and others such as the Fenton, photofenton, and photocatalytic processes,3-5 to name some of the best-known processes. To the second group belong wet air and supercritical oxidation.6,7 What might be called a third group are those initiated at ambient conditions but that develop with the generation of high temperature and pressures, such as the cavitation processes.8 In this chapter, we discuss ozone-hydrogen peroxide advanced oxidation kinetics.
