Low-temperature selective catalytic reduction of NO with NH3 over ordered mesoporous MnxCo3 - xO4 catalyst

被引：61
|
作者：
Qiu, Mingying [1 ]
Zhan, Sihui [1 ]
Yu, Hongbing [1 ]
Zhu, Dandan [1 ]
机构：
[1] Nankai Univ, Coll Environm Sci & Engn, Tianjin 300071, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2015年 / 62卷
基金：
中国国家自然科学基金;
关键词：
MnCo2O4; Mesoporous; SCR; Low temperature; CARBON NANOTUBES; COMBINATION; PERFORMANCE; DESIGN; MN;
D O I：
10.1016/j.catcom.2015.01.022
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The ordered mesoporous materials (MnO2, Co3O4 and MnCo2O4) were successfully synthesized by the nanocasting method and tested for the selective catalytic reduction (SCR) of NO with NH3. The MnCo2O4 catalyst had higher N-2 selectivity, more extensive operating-temperature window, and high SO2 tolerance. The TEM results suggested that the special porous structure provided a larger surface area to adsorb and activate reaction gases. The H-2-TPR and NH3-TPD results demonstrated that the MnCo2O4 catalyst possessed a more powerful reducibility and stronger acid strength. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：107 / 111
页数：5
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