Nanoflower-like Mg-doped MnOx for facile removal of low-concentration NOx at room temperature
Catalysis Communications(2017)
Abstract
Nanoflower-like Mg doped MnOx (Mg/MnOx) is synthesized via a facile and scalable redox reaction strategy for facile removal of low-concentration NOx at room temperature. The optimized sample Mg/MnOx exhibits good activity, giving 100% NO removal efficiency at room temperature for 10h under extremely high space velocity of 120,000mL−1g−1h−1 and low NO inlet concentration of 10ppm. The Mg/MnOx is found to gradually get inactive resulted from the generated NO2 and large amount of adsorbed NO covering active sites based on the results of characterizations and performance. Furthermore, the superior monolithic catalyst indicates great potential in actual application.
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Key words
Mg doped MnOx nanoflower,Low-concentration NO removal,Room temperature,Deactivation mechanism,Monolithic catalyst
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