Mechanistic Aspects of N2O Decomposition Over Carbon Films and Carbon-Film-Supported Catalysts

被引：10
|
作者：
Wisniewski, Marek [1 ]
机构：
[1] Nicholas Copernicus Univ, Dept Chem, Physicochem Carbon Mat Res Grp, PL-87100 Torun, Poland
来源：
CATALYSIS LETTERS | 2014年 / 144卷 / 04期
关键词：
N2O decomposition; Reaction mechanism; In situ FTIR; Carbon films; FLUIDIZED-BED COMBUSTION; ACTIVATED CARBON; NITROUS-OXIDE; NO; ADSORPTION; REDUCTION; REACTIVITY; CONVERSION; SURFACE;
D O I：
10.1007/s10562-013-1180-6
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 mechanism of N2O decomposition on the platinum and copper loaded carbon film catalysts was studied using in situ FTIR spectroscopy at the temperature range 200-600 degrees C. It was experimentally proved that on these catalysts, carbon becomes not only a support but also a reactant due to the formation of the surface oxygen complexes. The oxidation and dissociation of surface oxides play a significant role in the overall process due to the formation of the new active centres. It is experimentally proved that -NCO formation is a major step in the overall mechanism at the low temperature range.
引用
收藏
页码：633 / 638
页数：6
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