The Effects of SiO2 and CeO2 Addition on the Performances of MnOx/TiO2 Catalysts

被引：1
作者：
Luo, Juhua [1 ]
Mao, Hongkai [1 ,2 ]
Wang, Xu [1 ]
Yao, Wei [1 ]
机构：
[1] Yancheng Inst Technol, Sch Mat Engn, Yancheng 224051, Peoples R China
[2] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Peoples R China
来源：
AUSTRALIAN JOURNAL OF CHEMISTRY | 2016年 / 69卷 / 10期
关键词：
MIXED-OXIDE CATALYSTS; LOW-TEMPERATURE; NO REDUCTION; NH3; MN/TIO2; ACIDITY; REACTOR; TIO2; SCR; MN;
D O I：
10.1071/CH16060
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A TiO2-SiO2 mixed oxide was obtained by a co-precipitation method. MnOx-CeO2/TiO2-SiO2 were prepared by an impregnation method and their activity towards the selective catalytic reduction of NO with NH3 at low temperature were evaluated. Compared with pure TiO2, TiO2-SiO2 exhibited an evidently larger surface area and pore volume, and a smaller average pore diameter with narrow distribution. The NO conversion of the MnOx/TiO2-SiO2 catalyst could be improved by the addition of an appropriate amount of CeO2 in the temperature range of 100-180 degrees C. MnOx-CeO2/TiO2-SiO2 with 10 wt-% CeO2 showed the highest activity with 96% NO conversion at 180 degrees C.
引用
收藏
页码：1180 / 1185
页数：6
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