Ozone-Enhanced Selective Catalytic Reduction of NOx by Ammonia: A Comparative Study of Fe-Beta and V2O5-WO3/Al2O3 Catalysts

被引：0

作者：

Bokarev, D. A. ^{[1
]}

Paramoshin, I. V. ^{[1
]}

Baeva, G. N. ^{[1
]}

Bragina, G. O. ^{[1
]}

Stakheev, A. Yu. ^{[1
]}

机构：

[1] Russian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia

来源：

KINETICS AND CATALYSIS | 2024年 / 65卷 / 06期

基金：

俄罗斯科学基金会;

关键词：

nitrogen oxides; selective catalytic reduction (SCR); ozone; zeolite; Fe-Beta; V2O5-WO3/Al2O3; OXIDATION;

D O I：

10.1134/S0023158424602183

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：

It has been found that the activity of the zeolite (Fe-Beta) and oxide (V2O5-WO3/Al2O3) catalysts in the selective catalytic reduction (SCR) of NO by NH3 can be significantly improved in the temperature range of 100-250 degrees C by introducing ozone into the gas stream entering the catalyst. The study of the temperature dependences of the reaction product composition shows that for the oxide catalyst the increase in NOx conversion occurs due to NOx reduction via "fast" SCR pathway, whereas for the zeolite catalyst the NO2-SCR pathway also makes a significant contribution.

引用

页码：746 / 753

页数：8

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