NOx reduction behaviour in copper zeolite catalysts for ammonia SCR systems: A review
This paper reviews the current copper substituted zeolite catalysts, their operating
temperature ranges with NOx reduction efficiencies and their deactivation mechanisms …
temperature ranges with NOx reduction efficiencies and their deactivation mechanisms …
Recent advances in automotive catalysis for NO x emission control by small-pore microporous materials
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 …
to minimize air pollution originating from the exhaust gases of internal combustion engines …
A consistent reaction scheme for the selective catalytic reduction of nitrogen oxides with ammonia
TVW Janssens, H Falsig, LF Lundegaard… - ACS …, 2015 - ACS Publications
For the first time, the standard and fast selective catalytic reduction (SCR) of NO by NH3 are
described in a complete catalytic cycle that is able to produce the correct stoichiometry while …
described in a complete catalytic cycle that is able to produce the correct stoichiometry while …
Effect of zeolite topology on NH3-SCR activity and stability of Cu-exchanged zeolites
KA Tarach, M Jabłońska, K Pyra, M Liebau… - Applied Catalysis B …, 2021 - Elsevier
The catalytic activity and stability of Cu-exchanged zeolites Cu-ZSM-5 (MFI topology), Cu-
TNU-9 (TUN), Cu-FER (FER) and steamed Cu-Y (FAU) were evaluated in the selective …
TNU-9 (TUN), Cu-FER (FER) and steamed Cu-Y (FAU) were evaluated in the selective …
A comparison of hydrothermal aging effects on NH3-SCR of NOx over Cu-SSZ-13 and Cu-SAPO-34 catalysts
The impacts of hydrothermal aging on the selective catalytic reduction (SCR) performance of
both Cu-SSZ-13 and Cu-SAPO-34 were compared. Upon 750° C hydrothermal aging for 16 …
both Cu-SSZ-13 and Cu-SAPO-34 were compared. Upon 750° C hydrothermal aging for 16 …
Speciation of Cu Cations in Cu-CHA Catalysts for NH3-SCR: Effects of SiO2/AlO3 Ratio and Cu-Loading Investigated by Transient Response Methods
R Villamaina, S Liu, I Nova, E Tronconi… - ACS …, 2019 - ACS Publications
We develop an experimental protocol to quantify the speciation of Cu ions (ZCuIIOH and
Z2CuII) in Cu-CHA catalysts for the NH3 Selective Catalytic Reduction of NOx (NH3-SCR) …
Z2CuII) in Cu-CHA catalysts for the NH3 Selective Catalytic Reduction of NOx (NH3-SCR) …
N2O Formation during NH3-SCR over Different Zeolite Frameworks: Effect of Framework Structure, Copper Species, and Water
The formation characteristics of N2O were investigated with respect to copper-functionalized
zeolites, ie, Cu/SSZ-13 (CHA), Cu/ZSM-5 (MFI), and Cu/BEA (BEA) and compared with the …
zeolites, ie, Cu/SSZ-13 (CHA), Cu/ZSM-5 (MFI), and Cu/BEA (BEA) and compared with the …
A comparative study of N2O formation during the selective catalytic reduction of NOx with NH3 on zeolite supported Cu catalysts
A comparative study was carried out on a small-pore Cu-CHA and a large-pore Cu-BEA
zeolite catalyst to understand the lower N 2 O formation on small-pore zeolite supported Cu …
zeolite catalyst to understand the lower N 2 O formation on small-pore zeolite supported Cu …
A review on zeolite catalyst for deNOx performance in ammonia–selective catalytic reduction
Internal combustion (IC) engines rely heavily on NOx emissions. Various studies are being
conducted to lower NOx emission in order to achieve the BS-VI norms. This review …
conducted to lower NOx emission in order to achieve the BS-VI norms. This review …
A multi-site kinetic model for NH3-SCR over Cu/SSZ-13
In this study, we have developed a kinetic model for ammonia-SCR over a well-
characterized Cu/SSZ-13 catalyst. It was found that a three-site model was needed in order …
characterized Cu/SSZ-13 catalyst. It was found that a three-site model was needed in order …