Selective catalytic reduction of NOx with NH3: opportunities and challenges of Cu-based small-pore zeolites
Zeolites, as efficient and stable catalysts, are widely used in the environmental catalysis
field. Typically, Cu-SSZ-13 with small-pore structure shows excellent catalytic activity for …
field. Typically, Cu-SSZ-13 with small-pore structure shows excellent catalytic activity for …
Research on the resistance of catalysts for selective catalytic reduction: Current progresses and future perspectives
Y Zhang, B Guan, C Zheng, J Zhou, T Su, J Guo… - Journal of Cleaner …, 2024 - Elsevier
Abstract SCR (Selective Catalytic Reduction) catalysts are used in a variety of industrial
applications to reduce nitrogen oxide (NOx) emissions from exhaust gases. SCR catalysts …
applications to reduce nitrogen oxide (NOx) emissions from exhaust gases. SCR catalysts …
Comparison of precursors for the synthesis of Cu-SSZ-39 zeolite catalysts for NH3-SCR reaction
Cu-SSZ-39 zeolites are noted for excellent NH 3-SCR activity and hydrothermal stability for
applications on diesel vehicles. In this study, Cu-SSZ-39 zeolites were prepared using four …
applications on diesel vehicles. In this study, Cu-SSZ-39 zeolites were prepared using four …
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 …
diesel vehicles. In this study, the influences of Cu content and Cu species on the catalytic …
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 …
Progress and future challenges in passive NO adsorption over Pd/zeolite catalysts
Future emission standards are becoming increasingly stringent. Around 50% of targeted
tailpipe emissions are emitted during the cold-start period, mainly due to the ineffectiveness …
tailpipe emissions are emitted during the cold-start period, mainly due to the ineffectiveness …
Insights into SO2 Poisoning Mechanisms of Fresh and Hydrothermally Aged Cu-KFI Catalysts for NH3-SCR Reaction
The complex poisoning of Cu-KFI catalysts by SO2 and hydrothermal aging (HTA) was
investigated. The low-temperature activity of Cu-KFI catalysts was restrained by the …
investigated. The low-temperature activity of Cu-KFI catalysts was restrained by the …
Effects of hydrothermal aging on the sulfur poisoning of a Cu-SSZ-13 SCR catalyst
Y Xi, C Su, NA Ottinger, ZG Liu - Applied Catalysis B: Environmental, 2021 - Elsevier
Cu-SSZ-13 catalysts have been widely used for NO x reduction via SCR for diesel
aftertreatment applications due to their high SCR efficiency. Hydrothermal aging and sulfur …
aftertreatment applications due to their high SCR efficiency. Hydrothermal aging and sulfur …
Mechanistic insights into the cobalt promotion on low-temperature NH3-SCR reactivity of Cu/SSZ-13
The ever-increasing demand for nitrogen oxides (NO x) emission control from diesel
engines during cold start period has provided a strong impetus to improve the low …
engines during cold start period has provided a strong impetus to improve the low …
[HTML][HTML] Insight into the effect of phosphorus poisoning of Cu/zeolites with different framework towards NH3-SCR
Cu/zeolites were prepared to elucidate the effect of phosphorus poisoning on different
zeolite framework structures for NH 3-SCR. The results show that there are significant …
zeolite framework structures for NH 3-SCR. The results show that there are significant …