Metal sites in zeolites: synthesis, characterization, and catalysis
Q Zhang, S Gao, J Yu - Chemical reviews, 2022 - ACS Publications
Zeolites with ordered microporous systems, distinct framework topologies, good spatial
nanoconfinement effects, and superior (hydro) thermal stability are an ideal scaffold for …
nanoconfinement effects, and superior (hydro) thermal stability are an ideal scaffold for …
Solvation and mobilization of copper active sites in zeolites by ammonia: consequences for the catalytic reduction of nitrogen oxides
Conspectus Copper-exchanged chabazite (Cu-CHA) zeolites are catalysts used in diesel
emissions control for the abatement of nitrogen oxides (NO x) via selective catalytic …
emissions control for the abatement of nitrogen oxides (NO x) via selective catalytic …
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 …
Chemical gradients in automotive Cu-SSZ-13 catalysts for NOx removal revealed by operando X-ray spectrotomography
J Becher, DF Sanchez, DE Doronkin, D Zengel… - Nature Catalysis, 2021 - nature.com
Nitrogen oxide (NO x) emissions are a major source of pollution, demanding ever-improving
performance from catalytic after-treatment systems. However, catalyst development is often …
performance from catalytic after-treatment systems. However, catalyst development is often …
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 …
The dynamic nature of Cu sites in Cu-SSZ-13 and the origin of the seagull NO x conversion profile during NH 3-SCR
AR Fahami, T Günter, DE Doronkin… - Reaction Chemistry & …, 2019 - pubs.rsc.org
Cu-Zeolites with chabazite structure show a peculiar dual-maxima NO conversion profile,
also known as a seagull profile, during the selective catalytic reduction by ammonia. In order …
also known as a seagull profile, during the selective catalytic reduction by ammonia. In order …
Mechanistic stages of the SCR reaction–Insights into the trade-off between NO reduction and NH3 oxidation over CuSSZ-13 catalysts via isotopic 15NH3 and 18O2 …
M Fedyna, B Mozgawa, F Zasada, K Góra-Marek… - Applied Catalysis B …, 2023 - Elsevier
Isotopic labeling investigations into SCR reaction were performed over CuSSZ-13 zeolites,
obtained by one-pot synthesis or impregnation, and characterized by XRD, HR-SEM …
obtained by one-pot synthesis or impregnation, and characterized by XRD, HR-SEM …
[HTML][HTML] Mechanistic modelling of catalytic NOX reduction reactions after hydrogen or ammonia combustion on multiple scales
This article provides a comprehensive review and evaluation of the selective catalytic
reduction (SCR) of nitrogen oxides (NO X) using ammonia as a reducing agent in flue gases …
reduction (SCR) of nitrogen oxides (NO X) using ammonia as a reducing agent in flue gases …
Selective Catalytic Reduction of NO with NH3 on Cu−SSZ‐13: Deciphering the Low and High‐temperature Rate‐limiting Steps by Transient XAS Experiments
AH Clark, RJG Nuguid, P Steiger, A Marberger… - …, 2020 - Wiley Online Library
Cu‐exchanged small‐pore SSZ‐13 catalysts have found wide use for the selective catalytic
reduction (SCR) of nitrogen oxides from automotive exhaust gases. The transient working …
reduction (SCR) of nitrogen oxides from automotive exhaust gases. The transient working …
Kinetics and thermodynamics of ammonia solvation on Z2Cu, ZCuOH and ZCu sites in Cu-SSZ-13–Implications for hydrothermal aging
Temperature and ammonia (NH 3) pressure dependent surface coverage of Cu-amine
complexes formed on Z 2 Cu, ZCuOH and ZCu sites in Cu-SSZ-13 are described using a …
complexes formed on Z 2 Cu, ZCuOH and ZCu sites in Cu-SSZ-13 are described using a …