Nitrogen complexes formation during NO-C reaction at low temperature in presence of O2 and H2O

被引：35
|
作者：
García, P
Coloma, F
de Lecea, CSM
Mondragón, F
机构：
[1] Univ Alicante, Fac Sci, Dept Inorgan Chem, Alicante 03080, Spain
[2] Univ Antioquia, Inst Chem, Medellin, Colombia
来源：
FUEL PROCESSING TECHNOLOGY | 2002年 / 77卷
关键词：
NO-carbon reaction; nitrogen complexes; oxygen complexes;
D O I：
10.1016/S0378-3820(02)00014-0
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Oxygen and nitrogen complexes formation in coal char due to its reaction with NO at 100 degreesC in presence or absence of O-2 and/or H2O was studied by XPS. Fort-nation of -NO2 and pyridinic complexes and a considerable increment of oxygen complex was observed. The -NO2 complexes can be formed in all cases, even when there is no molecular oxygen present in the gas mixture. The presence of O-2 and/or H2O promotes their fort-nation. Apparently, this complex can be formed by the presence of C(O) complexes next to the site capable of chemisorbing NO. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：255 / 259
页数：5
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