BiMnO3 Perovskite Catalyst for Selective Catalytic Reduction of NO with NH3 at Low Temperature

被引：17

作者：

Zhang Yibo ^{[1
,2
]}

Wang Deqiang ^{[1
]}

Wang Jing ^{[1
]}

Chen Qufei ^{[1
]}

Zhang Zhendong ^{[1
]}

Pan Xiqiang ^{[1
]}

Miao Zhenzhen ^{[1
]}

Zhang Bin ^{[1
]}

Wu Zhijian ^{[1
]}

Yang Xiangguang ^{[1
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resource Utilizat, Changchun 130022, Jilin, Peoples R China

[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

来源：

CHINESE JOURNAL OF CATALYSIS | 2012年 / 33卷 / 09期

基金：

国家高技术研究发展计划(863计划); 中国国家自然科学基金;

关键词：

perovskite; bismuth manganite; acidity; selective catalytic reduction; low temperature; P-O CATALYST; OXIDE CATALYSTS; DIESEL EXHAUST; NITRIC-OXIDE; MECHANISM; AMMONIA; ELECTRONEGATIVITY; PERFORMANCE; OXIDATION; ZEOLITES;

D O I：

10.1016/S1872-2067(11)60439-7

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A perovskite was used for selective catalytic reduction of NO with NH3 (NH3-SCR) at low temperature in the presence of excess oxygen. The BiMnO3 perovskite catalyst showed high activity in NH3-SCR at 100-240 degrees C. Experiment and DFT calculation showed that more Lewis acid sites and a high concentration of surface oxygen on BiMnO3 as compared with LaMnO3 were responsible for its better performance. In addition, BiMnO3 was also resistant to water vapor and a mixture of H2O and SO2.

引用

页码：1448 / 1454

页数：7

共 34 条

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