The catalytic activity of manganese oxide catalysts for the toluene oxidation process

Abstract

Manganese oxide catalysts were prepared by several preparation methods, such as hydrothermal, sol-gel method, and characterized by XRD, BET, H2-TPR, SEM-EDS, and FT-IR. The catalytic activities of catalysts were evaluated through the toluene reaction at the temperature range of 150 oC – 400 oC. Among the catalysts, the @ MnO2 150 catalyst exhibited the highest catalytic activity. It could completely convert toluene into CO2 at 300 oC. The larger specific surface area and lower reduction temperature enhance the higher activity of the @ MnO2 150 catalyst. Thus, the @ MnO2 150 catalyst is chosen to study in the subsequent research.