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With the rapid development of urbanization and industrialization, environmental pollution has become more severe. Volatile organic compounds (VOCs) could be originated from the following sources: domestic, mobile and industrial sources. As important air pollutants, VOCs could cause serious harm to the environment and human health. Therefore, removing VOCs has become a priority research direction of ecological issues. Among the many elimination methods, catalytic oxidation approaches are among the most effective and economical methods which can transform VOCs into CO 2  and H 2 O. MnO x  catalysts are among the most active catalysts, which can be further modified by different cations such as Cu 2+ , Co 2+ , Cr 3+ , Ni 2+  and Ce 4+  to form mixed oxides to improve the catalytic oxidation of VOCs activity. Moreover, MnO x  can be loaded on the carrier, improving the redox and oxygen storage capacity and improving its stability and activity. This review explores the structure, preparation and oxidation state of Mn-based catalysts.

Research progress of catalytic oxidation of volatile organic compounds over Mn-based catalysts – a review