Volatile organic compounds (VOCs) are poisonous organic compounds which pose a threat to environment and human health. Catalytic oxidation technology, which can convert VOCs into CO₂ and H₂O, is considered as one of promising techniques for VOCs removal. On the basis of the summary of VOCs removal technologies at home and abroad, catalytic oxidation method is emphatically introduced; besides, catalysts in common use, catalytic oxidation mechanism and existent problems are summarized in this paper. Finally, developmental trends of catalytic oxidation technology of VOCs are also presented. The results show that the core of noble catalysts is the optimization of effective supporters and the enhancement of resistance to catalyst poisoning. As for perovskite-type, spinel-type and other non-noble metal catalyst, it is the key to decrease the active temperature of catalysts. And it can be considered that the reduction ability, oxygen storage capacity and oxygen vacancy, which are critical factors determining catalyst performance for VOCs oxidation, can be improved by means of adjusting the compounding formula, morphological structure, particle size and specific surface area of catalysts and proceed to enhance catalyst performance. This review will offer certain value for reference to determine the proper catalyst for VOCs removal.

Contents
1 Introduction
2 Mechanism of catalytic oxidation
3 Catalysts of VOCs oxidation
3.1 Noble metal catalysts
3.2 Non-noble metal catalysts
4 Future trends
4.1 Noble metal catalysts
4.2 Non-noble metal catalysts
5 Conclusion