Identification of the mechanism of NO reduction with ammonia (SCR) on zeolite catalysts

Author:

Khivantsev Konstantin1ORCID,Kwak Ja-Hun2,Jaegers Nicholas R.1,Koleva Iskra Z.3,Vayssilov Georgi N.3ORCID,Derewinski Miroslaw A.14,Wang Yong15ORCID,Aleksandrov Hristiyan A.3ORCID,Szanyi Janos1ORCID

Affiliation:

1. Pacific Northwest National Laboratory Richland, WA 99352, USA

2. Ulsan National Institute of Science and Technology (UNIST), South Korea

3. Faculty of Chemistry and Pharmacy, University of Sofia, 1126 Sofia, Bulgaria

4. J. Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Krakow 30-239, Poland

5. The Gene and Linda Voil and School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA 99164, USA

Abstract

Nitrosyl ions in zeolites that form via the NO + O2 reaction react with NH3 to form N2 and H2O (SCR reaction) via formation of transient diazo N2H+ cation.

Funder

U.S. Department of Energy

Ministry of Education and Science

European Regional Development Fund

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemistry

Reference35 articles.

1. Royal College of Paediatrics and Child Health , Every breath we take—the lifelong impact of air pollution , Royal College of Paediatrics and Child Health , London , 2016

2. W. M. H.Sachtler , Catalysis from Art to Science , in Surface Chemistry and Catalysis. Fundamental and Applied Catalysis , ed. A. F. Carley , P. R. Davies , G. J. Hutchings and M. S. Spencer , Springer , Boston, MA , 2002

3. M. K.Khair and W. A.Majewski , Diesel emissions and their control ; SAE International , Warrendale , 2006

4. CATALYTIC REDUCTION OF NITRIC OXIDE WITH AMMONIA OVER TRANSITION METAL ION-EXCHANGED Y ZEOLITES

5. Excellent activity and selectivity of Cu-SSZ-13 in the selective catalytic reduction of NOx with NH3

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