Mechanistic insights into the promotion of low-temperature NH3-SCR catalysis by copper auto-reduction in Cu-zeolites
The performance of Cu-chabazite (Cu-CHA) zeolite, the state-of-art catalyst for the ammonia-
assisted selective reduction (NH 3-SCR) of toxic NO x pollutants from heavy-duty diesel …
assisted selective reduction (NH 3-SCR) of toxic NO x pollutants from heavy-duty diesel …
Copper Site Motion Promotes Catalytic NOx Reduction under Zeolite Confinement
Ammonia-mediated selective catalytic reduction (NH3-SCR) is currently the key approach to
abate nitrogen oxides (NO x) emitted from heavy-duty lean-burn vehicles. The state-of-art …
abate nitrogen oxides (NO x) emitted from heavy-duty lean-burn vehicles. The state-of-art …
Catalysis science of NOx selective catalytic reduction with ammonia over Cu-SSZ-13 and Cu-SAPO-34
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 …
the selective catalytic reduction (SCR) of NO x compounds with ammonia, as an emissions …
Low-Cost CuX Catalyst from Blast Furnace Slag Waste for Low-Temperature NH3-SCR: Nature of Cu Active Sites and Influence of SO2/H2O
A series of Cu-exchanged zeolite NaX (derived from blast furnace slag) catalysts were
synthesized by an ion-exchanged method. The low-temperature catalytic activity and SO2 …
synthesized by an ion-exchanged method. The low-temperature catalytic activity and SO2 …
The promoting mechanism of in situ Zr doping on the hydrothermal stability of Fe-SSZ-13 catalyst for NH3-SCR reaction
Fe-SSZ-13 has been proven to be a highly efficient catalyst for the ammonia selective
catalytic reduction (NH 3-SCR) of NO x, especially at medium and high reaction …
catalytic reduction (NH 3-SCR) of NO x, especially at medium and high reaction …
Recent Understanding of Low-Temperature Copper Dynamics in Cu-Chabazite NH3-SCR Catalysts
Dynamic motion of NH3-solvated Cu sites in Cu-chabazite (Cu-CHA) zeolites, which are the
most promising and state-of-the-art catalysts for ammonia-assisted selective reduction of …
most promising and state-of-the-art catalysts for ammonia-assisted selective reduction of …
In Situ Spectroscopic Studies on the Redox Cycle of NH3−SCR over Cu−CHA Zeolites
The selective catalytic reduction of NO with ammonia (NH3− SCR) catalyzed by Cu− CHA
zeolites is thoroughly investigated using in situ spectroscopic experiments combined with on …
zeolites is thoroughly investigated using in situ spectroscopic experiments combined with on …
Economical and Sustainable Synthesis of Small-Pore Chabazite Catalysts for NOx Abatement by Recycling Organic Structure-Directing Agents
The application of small-pore chabazite-type SSZ-13 zeolites, key materials for the reduction
of nitrogen oxides (NO x) in automotive exhausts and the selective conversion of methane, is …
of nitrogen oxides (NO x) in automotive exhausts and the selective conversion of methane, is …
Determining hydrothermal deactivation mechanisms on Cu/SAPO-34 NH3-SCR catalysts at low- and high-reaction regions: establishing roles of different reaction …
QJ Lin, MM Pei, P Yao, S Xu, SH Xu, S Liu, HD Xu… - Rare Metals, 2022 - Springer
Hydrothermal deactivation is a constant challenge in commercial catalytic process aimed at
NO x emission control, which may be observed in the low (150–400° C) or high (400–550° …
NO x emission control, which may be observed in the low (150–400° C) or high (400–550° …
Low-cost Mn-Ce/CuX catalyst from blast furnace slag waste for efficient low-temperature NH3-SCR
In this study, CuX zeolite supported Mn and/or Ce oxides catalysts were synthesized by
combining ion exchange and impregnation methods, and the zeolite X was generated using …
combining ion exchange and impregnation methods, and the zeolite X was generated using …