Recent advances in hybrid metal oxide–zeolite catalysts for low-temperature selective catalytic reduction of NOx by ammonia
A hybrid catalytic system comprised of metal oxide and Cu or Fe exchanged zeolite
components represents a potential advancement of state-of-the-art for selective catalytic …
components represents a potential advancement of state-of-the-art for selective catalytic …
Development of wide-temperature vanadium-based catalysts for selective catalytic reducing of NOx with ammonia
J Xu, G Chen, F Guo, J Xie - Chemical Engineering Journal, 2018 - Elsevier
The elimination or degradation of nitrogen oxides, the major pollutants of the atmosphere,
has been attracted extensive attention. Numerous methods have been studied and used to …
has been attracted extensive attention. Numerous methods have been studied and used to …
Catalysis in a cage: condition-dependent speciation and dynamics of exchanged Cu cations in SSZ-13 zeolites
The relationships among the macroscopic compositional parameters of a Cu-exchanged
SSZ-13 zeolite catalyst, the types and numbers of Cu active sites, and activity for the …
SSZ-13 zeolite catalyst, the types and numbers of Cu active sites, and activity for the …
Effects of Si/Al ratio on Cu/SSZ-13 NH3-SCR catalysts: Implications for the active Cu species and the roles of Brønsted acidity
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 …
incorporation via solution ion exchange. The implications of varying Si/Al ratios on the …
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 …
Selective catalytic reduction of NOx with NH3 over Ce-Mn oxide and Cu-SSZ-13 composite catalysts–Low temperature enhancement
A composite catalyst comprised of ceria-manganese oxide and Cu-SSZ-13 components
represents a potential solution for improving selective catalytic reduction (SCR) of NOx by …
represents a potential solution for improving selective catalytic reduction (SCR) of NOx by …
In Situ-DRIFTS Study of Selective Catalytic Reduction of NOx by NH3 over Cu-Exchanged SAPO-34
The intrinsic mechanism of the selective catalytic reduction (SCR) reaction over a Cu-
exchanged SAPO-34 catalyst at low temperature was studied by in situ diffuse reflectance …
exchanged SAPO-34 catalyst at low temperature was studied by in situ diffuse reflectance …
In situ DRIFTS and temperature-programmed technology study on NH3-SCR of NOx over Cu-SSZ-13 and Cu-SAPO-34 catalysts
L Ma, Y Cheng, G Cavataio, RW McCabe, L Fu… - Applied Catalysis B …, 2014 - Elsevier
In situ diffuse reflectance infrared Fourier transform spectroscopy (In situ DRIFTS),
temperature-programmed desorption (TPD), and temperature-programmed surface …
temperature-programmed desorption (TPD), and temperature-programmed surface …
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 …
reaction mechanism that describes the main SCR reactions (Standard SCR, Fast SCR, NO 2 …
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) …