Deactivation mechanisms and anti-deactivation strategies of molecular sieve catalysts for NOx reduction

F Wang, P Wang, J Zhang, D Peng, M Wei… - Chinese Chemical …, 2024 - Elsevier
Molecular sieve catalysts, owing to their unique chemical properties, are widely used as
catalysts among various catalytic reactions. Abundant Brønsted acid sites in molecular sieve …

Review on advances in structure–activity relationship, reaction & deactivation mechanism and rational improving design of selective catalytic reduction deNOx …

J Chen, B Guan, Z Liu, X Wu, J Guo, C Zheng, J Zhou… - Fuel, 2023 - Elsevier
As NO x emissions are more strictly controlled, selective catalytic reduction of NO x by NH 3
(NH 3-SCR), as one of the most efficient and stable technologies for deNO x, is widely used …

Maximizing the hydrothermal stability of Cu-LTA for NH3-SCR by control of Cu content and location

J Lin, X Hu, Y Li, W Shan, X Tan, H He - Applied Catalysis B …, 2023 - Elsevier
Hydrothermal stability is crucial for the application of NO x emission control catalysts on
diesel vehicles. In this study, the influences of Cu content and Cu species on the catalytic …

Hydrothermal Aging Alleviates the Phosphorus Poisoning of Cu-SSZ-39 Catalysts for NH3-SCR Reaction

J Chen, Y Shan, Y Sun, W Ding, S Xue… - Environmental …, 2023 - ACS Publications
As a new type of catalyst with the potential for commercial application in NO x removal from
diesel engine exhausts, Cu-SSZ-39 catalysts must have excellent resistance to complex and …

Improved hydrothermal durability of Cu-SSZ-13 NH3-SCR catalyst by surface Al modification: Affinity and passivation

Y Ma, S Cheng, X Wu, T Ma, L Liu, B Jin, M Liu, J Liu… - Journal of …, 2022 - Elsevier
To improve the hydrothermal durability of Cu-SSZ-13 selective catalytic reduction (SCR)
catalyst, a thin Al 2 O 3 modification layer was coated on the external surface of Cu-SSZ-13 …

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 …

One-pot synthesis of rare earth modified Cu/SAPO-34 for enhanced selective catalytic reduction denitration performance

B Wang, K Song, Z Li, K Li, JW Shi - Separation and Purification Technology, 2022 - Elsevier
Four rare earth elements (gadolinium (Gd), dysprosium (Dy), neodymium (Nd), cerium (Ce))
modified Cu/SAPO-34 are synthesized by one-step hydrothermal method, and the effects of …

Selective catalytic reduction of NO x with NH 3 over copper-based catalysts: recent advances and future prospects

G Liu, H Zhang, Y Li, P Wang, S Zhan - EES Catalysis, 2024 - pubs.rsc.org
Selective catalytic reduction of NO with NH3 (NH3-SCR) is a promising technology to reduce
the emission of nitrogen oxides (NOx) from diesel engines and industrial flue gases. Due to …

New insight into oxygen vacancy and synergism in CuCeOx catalysts based on the toluene oxidation

G Hu, Z Zhang, C Wang, G Li, D Zhou, J Wang… - Journal of …, 2024 - Elsevier
Cu-Ce based catalysts is an important type of catalyst due to its high activity, and the
exploration of Cu-Ce synergistic effect is always on the focus. This study provides a new …

Spotlight on Cu/SAPO-34 with high hydrothermal stability induced by a small amount of SSZ-39

Q Lin, S Liu, S Xu, P Yao, M Pei, H Xu, Y Dan… - Chemical Engineering …, 2022 - Elsevier
The stable structure is key to improving the performance of the selective catalytic reduction
of nitrogen oxide (NO x) with ammonia (NH 3-SCR) on Cu/zeolite catalysts after the high …