An overview of lean exhaust denox aftertreatment technologies and nox emission regulations in the european union

T Selleri, AD Melas, A Joshi, D Manara, A Perujo… - Catalysts, 2021 - mdpi.com
This paper reviews the recent advances in the management of nitrogen oxide (NOx)
emissions from the internal combustion engine of light-duty and heavy-duty vehicles …

Review of the application of Cu-containing SSZ-13 in NH 3-SCR-DeNO x and NH 3-SCO

M Jabłońska - RSC advances, 2022 - pubs.rsc.org
The reduction of NOx emissions has become one of the most important subjects in
environmental protection. Cu-containing SSZ-13 is currently the state-of-the-art catalyst for …

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 …

New insights into Cu/SSZ-13 SCR catalyst acidity. Part I: Nature of acidic sites probed by NH3 titration

J Luo, F Gao, K Kamasamudram, N Currier… - Journal of catalysis, 2017 - Elsevier
In this work we investigated an unusual acidity feature of a Cu/SSZ-13 catalyst used in
selective catalytic reduction of NOx with NH 3 (NH 3-SCR). In particular, this catalyst showed …

Unified mechanistic model for Standard SCR, Fast SCR, and NO2 SCR over a copper chabazite catalyst

M Bendrich, A Scheuer, RE Hayes… - Applied Catalysis B …, 2018 - Elsevier
Mechanistic proposals for the different SCR subreactions are integrated into one surface
reaction mechanism that describes the main SCR reactions (Standard SCR, Fast SCR, NO 2 …

Inhibition Effect of Phosphorus Poisoning on the Dynamics and Redox of Cu Active Sites in a Cu-SSZ-13 NH3-SCR Catalyst for NOx Reduction

A Guo, K Xie, H Lei, V Rizzotto, L Chen… - Environmental …, 2021 - ACS Publications
Phosphorus (P) stemming from biodiesel and/or lubricant oil additives is unavoidable in real
diesel exhausts and deactivates gradually the Cu-SSZ-13 zeolite catalyst for ammonia …

Influence of solvent on selective catalytic reduction of nitrogen oxides with ammonia over Cu-CHA zeolite

J Abdul Nasir, J Guan, TW Keal… - Journal of the …, 2022 - ACS Publications
The copper-exchanged zeolite Cu-CHA has received considerable attention in recent years,
owing to its application in the selective catalytic reduction (SCR) of NO x species. Here, we …

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 …

Influence of synthesis method on catalytic properties and hydrothermal stability of Cu/SSZ-13 for NH3-SCR reaction

H Jiang, B Guan, X Peng, R Zhan, H Lin… - Chemical Engineering …, 2020 - Elsevier
This study focuses on investigating the influence of ion-exchange method (ION-F and ION-A)
and one-pot method (ONE-F and ONE-A) on catalytic properties and hydrothermal stability …

First-Principles Microkinetic Model for Low-Temperature NH3-Assisted Selective Catalytic Reduction of NO over Cu-CHA

Y Feng, X Wang, TVW Janssens… - ACS …, 2021 - ACS Publications
A first-principles microkinetic model is developed to investigate the low-temperature
ammonia-assisted selective catalytic reduction (NH3-SCR) of NO over Cu-chabazite (Cu …