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Catalytic decomposition of gaseous ozone (O3) over todorokite-type manganese dioxides (T-MnO2) at room temperature and the effects of cerium modification were investigated. Catalytic activity and stability were greatly improved over Ce-modified MnO2 (Ce-MnO2), which increased with the increase of Ce/Mn atomic ratios from 0.06 to 0.28. The cerium modification made agglomerated MnO2 particles transformed...
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