Research progress on selective catalytic reduction (SCR) catalysts for NOx removal from coal-fired flue gas

S Zhao, J Peng, R Ge, S Wu, K Zeng, H Huang… - Fuel Processing …, 2022 - Elsevier
Selective catalytic reduction (SCR) catalyst is a widely used deNOx technology. Different
from the review papers on SCR catalysts published in recent years, the preparation method …

Recent advances in automotive catalysis for NO x emission control by small-pore microporous materials

AM Beale, F Gao, I Lezcano-Gonzalez… - Chemical Society …, 2015 - pubs.rsc.org
The ever increasing demand to develop highly fuel efficient engines coincides with the need
to minimize air pollution originating from the exhaust gases of internal combustion engines …

A Highly Effective Catalyst of Sm-MnOx for the NH3-SCR of NOx at Low Temperature: Promotional Role of Sm and Its Catalytic Performance

D Meng, W Zhan, Y Guo, Y Guo, L Wang, G Lu - Acs Catalysis, 2015 - ACS Publications
Sm-Mn mixed oxide catalysts prepared by the coprecipitation method were developed, and
their catalytic activities were tested for the selective catalytic reduction (SCR) of NO with …

Recent advances in the selective catalytic reduction of NOx with NH3 on Cu-Chabazite catalysts

J Wang, H Zhao, G Haller, Y Li - Applied Catalysis B: Environmental, 2017 - Elsevier
The development of Cu-chabazite (CHA) catalysts, ie Cu-SSZ-13 and Cu-SAPO-34,
represents a significant technology breakthrough for the removal of NOx by selective …

Probing zeolites by vibrational spectroscopies

S Bordiga, C Lamberti, F Bonino, A Travert… - Chemical Society …, 2015 - pubs.rsc.org
This review addresses the most relevant aspects of vibrational spectroscopies (IR, Raman
and INS) applied to zeolites and zeotype materials. Surface Brønsted and Lewis acidity and …

Effects of Si/Al ratio on Cu/SSZ-13 NH3-SCR catalysts: Implications for the active Cu species and the roles of Brønsted acidity

F Gao, NM Washton, Y Wang, M Kollár, J Szanyi… - Journal of catalysis, 2015 - Elsevier
Cu/SSZ-13 catalysts with three Si/Al ratios of 6, 12 and 35 were synthesized with Cu
incorporation via solution ion exchange. The implications of varying Si/Al ratios on the …

Effects of Alkali and Alkaline Earth Cocations on the Activity and Hydrothermal Stability of Cu/SSZ-13 NH3–SCR Catalysts

F Gao, Y Wang, NM Washton, M Kollar, J Szanyi… - Acs …, 2015 - ACS Publications
Using a three-step aqueous solution ion-exchange method, cocation modified Cu/SSZ-13
SCR catalysts were synthesized. These catalysts, in both fresh and hydrothermally aged …

Unraveling the mysterious failure of Cu/SAPO-34 selective catalytic reduction catalysts

A Wang, Y Chen, ED Walter, NM Washton… - Nature …, 2019 - nature.com
Commercial Cu/SAPO-34 selective catalytic reduction (SCR) catalysts have experienced
unexpected and quite perplexing failure. Understanding the causes at an atomic level is vital …

Catalysis science of NOx selective catalytic reduction with ammonia over Cu-SSZ-13 and Cu-SAPO-34

C Paolucci, JR Di Iorio, FH Ribeiro, R Gounder… - Advances in …, 2016 - Elsevier
Copper-exchanged, small-pore chabazite (CHA) zeolites were commercialized in 2009 for
the selective catalytic reduction (SCR) of NO x compounds with ammonia, as an emissions …

NH3-SCR over Cu/SAPO-34–Zeolite acidity and Cu structure changes as a function of Cu loading

D Wang, L Zhang, J Li, K Kamasamudram, WS Epling - Catalysis Today, 2014 - Elsevier
A series of SAPO-34 catalysts with various Cu loadings (ranging 0.7–3.0 wt%) were
prepared by the solid state ion exchange method (SSIE) and the acid properties of the …