Selective catalytic reduction of NOx with NH3: opportunities and challenges of Cu-based small-pore zeolites

Y Shan, J Du, Y Zhang, W Shan, X Shi… - National science …, 2021 - academic.oup.com
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 …

NOx reduction behaviour in copper zeolite catalysts for ammonia SCR systems: A review

S Mohan, P Dinesha, S Kumar - Chemical Engineering Journal, 2020 - Elsevier
This paper reviews the current copper substituted zeolite catalysts, their operating
temperature ranges with NOx reduction efficiencies and their deactivation mechanisms …

Designing a bifunctional Pt/Cu-SSZ-13 catalyst for ammonia-selective catalytic oxidation with superior selectivity

Q An, G Xu, J Liu, Y Wang, Y Yu, H He - ACS Catalysis, 2023 - ACS Publications
Ammonia-selective catalytic oxidation (NH3-SCO) is an effective technology to solve the
problem of ammonia leakage from diesel vehicles, while ammonia oxidation catalysts (AOC) …

A comparative study of the activity and hydrothermal stability of Al-rich Cu-SSZ-39 and Cu-SSZ-13

Y Shan, W Shan, X Shi, J Du, Y Yu, H He - Applied Catalysis B …, 2020 - Elsevier
Abstract Catalysts Al-rich Cu-SSZ-39 and Cu-SSZ-13 are applied in ammonia selective
catalytic reduction (NH 3-SCR) reaction for NOx removal. Al-rich Cu-SSZ-39 maintained its …

Precise control of post-treatment significantly increases hydrothermal stability of in-situ synthesized cu-zeolites for NH3-SCR reaction

Y Shan, J Du, Y Yu, W Shan, X Shi, H He - Applied Catalysis B …, 2020 - Elsevier
The origin of the beneficial effects of post-treatment processing with HNO 3 and NH 4 NO 3
solutions on the catalytic performance of copper-amine templated zeolites used in the NH 3 …

Revealing the Synergistic Deactivation Mechanism of Hydrothermal Aging and SO2 Poisoning on Cu/SSZ-13 under SCR Condition

Y Zhang, H Zhu, T Zhang, J Li, J Chen… - … Science & Technology, 2021 - ACS Publications
In real-world application, Cu/SSZ-13 simultaneously suffers severe deactivation from
hydrothermal aging and SO2 poisoning during the periodic regeneration of diesel …

Advances in emission control of diesel vehicles in China

G Xu, W Shan, Y Yu, Y Shan, X Wu, Y Wu… - Journal of …, 2023 - Elsevier
Diesel vehicles have caused serious environmental problems in China. Hence, the Chinese
government has launched serious actions against air pollution and imposed more stringent …

Efficient Strategy to Regenerate Phosphorus-Poisoned Cu-SSZ-13 Catalysts for the NH3-SCR of NOx: The Deactivation and Promotion Mechanism of Phosphorus

Z Chen, C Bian, Y Guo, L Pang, T Li - ACS Catalysis, 2021 - ACS Publications
Despite the successful commercialization of Cu-SSZ-13 catalysts as efficient ammonia-
selective catalytic reduction (NH3-SCR) catalysts in diesel vehicles for NO x elimination …

Cu/SSZ-13 and Cu/SAPO-34 catalysts for deNOx in diesel exhaust: Current status, challenges, and future perspectives

S Zhang, L Pang, Z Chen, S Ming, Y Dong, Q Liu… - Applied Catalysis A …, 2020 - Elsevier
Copper-exchanged SSZ-13 and SAPO-34 (Cu/CHA) zeolites catalysts have been
commercially utilized for selective catalytic reduction (SCR) of NO x by NH 3. Despite the …

Distinct NO2 Effects on Cu-SSZ-13 and Cu-SSZ-39 in the Selective Catalytic Reduction of NOx with NH3

N Zhu, Y Shan, W Shan, Y Sun, K Liu… - Environmental …, 2020 - ACS Publications
Cu-SSZ-13 and Cu-SSZ-39, with similar structures, are both highly active and
hydrothermally stable in the selective catalytic reduction of NO x with NH3 (NH3-SCR) …