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 …
Effect of zeolite topology on NH3-SCR activity and stability of Cu-exchanged zeolites
KA Tarach, M Jabłońska, K Pyra, M Liebau… - Applied Catalysis B …, 2021 - Elsevier
The catalytic activity and stability of Cu-exchanged zeolites Cu-ZSM-5 (MFI topology), Cu-
TNU-9 (TUN), Cu-FER (FER) and steamed Cu-Y (FAU) were evaluated in the selective …
TNU-9 (TUN), Cu-FER (FER) and steamed Cu-Y (FAU) were evaluated in the selective …
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 …
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 …
Formation of highly active superoxide sites on CuO nanoclusters encapsulated in SAPO-34 for catalytic selective ammonia oxidation
Generation of surface active sites with tailor-made structure is a promising way to enhance
catalytic properties of inexpensive metal oxides, as a replacement to noble metals. In the …
catalytic properties of inexpensive metal oxides, as a replacement to noble metals. In the …
用于HC-SCR 还原NO x 的Cu 基分子筛催化剂研究进展
宁淑英, 苏亚欣, 杨洪海, 温妮妮 - 化工进展, 2023 - hgjz.cip.com.cn
烃类化合物选择性催化还原(HC-SCR) 是一种有效的脱硝技术, 但是在较低温度下Cu
基分子筛催化剂用于HC-SCR 催化还原NO x 存在催化活性较低, 活性温度窗口较窄的问题 …
基分子筛催化剂用于HC-SCR 催化还原NO x 存在催化活性较低, 活性温度窗口较窄的问题 …
Formation and Effect of NH4+ Intermediates in NH3–SCR over Fe-ZSM-5 Zeolite Catalysts
P Chen, M Jabłońska, P Weide, T Caumanns… - ACS …, 2016 - ACS Publications
With the help of a technique combining in situ electrical impedance spectroscopy and DRIFT
spectroscopy, we observed directly the formation of ammonium ion (NH4+) intermediates …
spectroscopy, we observed directly the formation of ammonium ion (NH4+) intermediates …
Local dynamics of copper active sites in zeolite catalysts for selective catalytic reduction of NOx with NH3
In Cu-zeolite based selective catalytic reduction of NO x with NH 3 (NH 3-SCR), Cu species
(in particular Cu I) solvated by NH 3 molecules are predicted theoretically to be highly …
(in particular Cu I) solvated by NH 3 molecules are predicted theoretically to be highly …
Investigation of pn sensing transition and related highly sensitive NH3 gas sensing behavior of SnPx/rGO composites
Y Fu, T Wang, X Wang, X Li, Y Zhao, F Li… - Chemical Engineering …, 2023 - Elsevier
Tin phosphides (SnP x) with alternating layers of P and Sn atoms possess abundant acidic P
vacancy sites and high electronegativity, which can be potential candidates for gas sensing …
vacancy sites and high electronegativity, which can be potential candidates for gas sensing …
Mechanistic Understanding of Cu-CHA Catalyst as Sensor for Direct NH3-SCR Monitoring: The Role of Cu Mobility
The concept to utilize a catalyst directly as a sensor is fundamentally and technically
attractive for a number of catalytic applications, in particular, for the catalytic abatement of …
attractive for a number of catalytic applications, in particular, for the catalytic abatement of …