Abstract
Catalytic oxidation of volatile organic compounds (VOCs) is one of the most effective and economically feasible technologies currently being investigated for the removal of dilute VOC effluent streams. In this chapter, three kinds of catalytic degradation methods, including catalytic combustion, catalytic ozonation, and photocatalytic oxidation, for the removal of VOCs are introduced with a focus on catalytic mechanisms and their corresponding catalysts. According to the sources of oxygen, reaction routes, and kinetics, the catalytic mechanisms of VOC degradation are divided into three categories: Mars–van Krevelen (MVK) model, Langmuir–Hinshelwood (L–H) model, and Eley–Rideal (E–R) model. Based on the composition of the active species, the catalysts are classified as noble-metal catalysts and transition metal-oxide catalysts. This chapter also provides an overview of the catalytic oxidation reactors for VOC removal.
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