Preparation of Mn-Ce/TiO2 Catalysts and its Selective Catalytic Reduction of NO at Low-temperature

4th International Conference on Applied Materials and Manufacturing Technology

材料科学;机械制造

Fang, Jingrui^1 ; Sun, Yong^1 ; Ma, Tengkun^1 ; Chen, Ge^1 ; Wang, Lan^1

State Key Laboratory of Green Building Materials, China Building Materials Academy, No.1 Guanzhuang Dongli, Chaoyang District, Beijing

100024, China^1

关键词: Calcination conditions;    Calcining temperature;    Catalytic performance;    Manganese precursor;    Preparation method;    Preparation parameters;    Rheological phase method;    Selective catalytic reduction of NO;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/423/1/012179/pdf
DOI  :  10.1088/1757-899X/423/1/012179

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

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.