Abstract
The catalytic performance of NO removal was studied over Mn-Ce/TiO2 catalysts prepared by rheological phase method under different preparation parameters, such as preparation method, manganese precursor, Mn/(Mn + Ce) molar ratio and calcination conditions. It was found that manganese nitrate and manganese acetate were more conducive to high denitration efficiency than manganese chloride. The highest NO conversion of 92% is achieved at the Ce/(Mn + Ce) molar ratio of 0.15, which is much higher than that of the pure manganese constituent. The increase of calcining temperature favored the crystallization of active components and leads to the decline of catalytic activity.
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