Abstract
In this study, reduction of NO with activated carbon (AC) under oxygen-rich atmosphere was investigated over Cu/AC, Cu/CeO2 - AC and Cu/CeO2 + AC catalysts. Among the three catalysts, Cu/CeO2 - AC exhibited the highest catalytic activity meanwhile the burning-off of AC was restrained to the largest extent. In the Cu/CeO2 - AC catalyst, Cu acted as catalytically active sites and CeO2 played an important role in enhancing the selectivities of AC towards NO reduction and improving the tolerance to poison by water vapour and SO2.
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