Catalytic Oxidation of NO on N-doped Carbon Materials at Low Temperature

被引：12
|
作者：
Zou, Xiuyong [1 ]
Lou, Shifeng [1 ]
Yang, Chao [1 ]
Liu, Naiwang [1 ]
Wang, Xin [1 ]
Shi, Li [1 ]
Meng, Xuan [1 ]
机构：
[1] East China Univ Sci & Technol, Int Joint Res Ctr Green Energy Chem Engn, Shanghai 200237, Peoples R China
来源：
CATALYSIS LETTERS | 2021年 / 151卷 / 02期
基金：
美国国家科学基金会;
关键词：
Removal of NO; Activated carbon; Nitrogen doping; Catalytic oxidation; NITRIC-OXIDE NO; ACTIVATED CARBON; SURFACE-CHEMISTRY; NITROGEN FUNCTIONALITIES; REDUCTION; PERFORMANCE; GRAPHENE; TRANSFORMATION; COMPOSITES; ADSORPTION;
D O I：
10.1007/s10562-020-03297-7
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：
By hetero atom doping, a nitrogen-doped porous carbon was synthesized and applied to catalytic oxidation removal of NO. The synthesis conditions and NO removal process conditions of the modified carbon material were investigated, including calcination temperatures, impregnation amount, NO inlet concentration (100-500 ppm) and catalytic reaction temperature. The results showed that the dicyandiamide impregnation solution concentration of 0.5 M, and the calcination temperature of 600 degrees C performed the best in the preparation of structurally stable nitrogen-modified carbon. Due to the formation of a large number active centers of pyridine nitrogen (N-6) groups and graphitic nitrogen (N-Q) groups, the optimal conversion rate of NO could reach 67.2%. Graphic
引用
收藏
页码：487 / 496
页数：10
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