N-15 NMR-STUDIES OF THE NO-NH3-O-2 REACTION OVER ZSM-5 TYPE ZEOLITES AND VANADIA SUPPORTED CATALYSTS

被引：0
|
作者：
FILIMONOVA, SV
MASTIKHIN, VM
机构：
[1] Boreskov Institute of Catalysis, Siberian Branch of Russian Academy of Sciences, Novosibirsk
来源：
REACTION KINETICS AND CATALYSIS LETTERS | 1995年 / 54卷 / 02期
关键词：
D O I：
10.1007/BF02071035
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：
N-15 nuclear magnetic resonance spectra produced by adsorption of NO together with O-2 and NH3 on H-ZSM-5 and V2O5/Al2O3 catalysts have been examined. Several surface species and reaction intermediates have been identified by their characteristic N-15 MMR spectra. The intermediate complexes between the products of disproportionation and partial oxidation of NO, on one hand, and ammonia, on the other hand, were found to be formed in the reaction. On V2O5/Al2O3 catalyst the reaction proceeds more rapidly compared with ZSM-5 but some details of the mechanism are similar for both catalysts.
引用
收藏
页码：419 / 426
页数：8
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