Recent advances in automotive catalysis for NO x emission control by small-pore microporous materials

AM Beale, F Gao, I Lezcano-Gonzalez… - Chemical Society …, 2015 - pubs.rsc.org
The ever increasing demand to develop highly fuel efficient engines coincides with the need
to minimize air pollution originating from the exhaust gases of internal combustion engines …

Selective Transformation of Various Nitrogen-Containing Exhaust Gases toward N2 over Zeolite Catalysts

R Zhang, N Liu, Z Lei, B Chen - Chemical reviews, 2016 - ACS Publications
In this review we focus on the catalytic removal of a series of N-containing exhaust gases
with various valences, including nitriles (HCN, CH3CN, and C2H3CN), ammonia (NH3) …

Effects of Si/Al ratio on Cu/SSZ-13 NH3-SCR catalysts: Implications for the active Cu species and the roles of Brønsted acidity

F Gao, NM Washton, Y Wang, M Kollár, J Szanyi… - Journal of catalysis, 2015 - Elsevier
Cu/SSZ-13 catalysts with three Si/Al ratios of 6, 12 and 35 were synthesized with Cu
incorporation via solution ion exchange. The implications of varying Si/Al ratios on the …

A consistent reaction scheme for the selective catalytic reduction of nitrogen oxides with ammonia

TVW Janssens, H Falsig, LF Lundegaard… - ACS …, 2015 - ACS Publications
For the first time, the standard and fast selective catalytic reduction (SCR) of NO by NH3 are
described in a complete catalytic cycle that is able to produce the correct stoichiometry while …

In Situ-DRIFTS Study of Selective Catalytic Reduction of NOx by NH3 over Cu-Exchanged SAPO-34

D Wang, L Zhang, K Kamasamudram, WS Epling - Acs Catalysis, 2013 - ACS Publications
The intrinsic mechanism of the selective catalytic reduction (SCR) reaction over a Cu-
exchanged SAPO-34 catalyst at low temperature was studied by in situ diffuse reflectance …

Identification of the active Cu site in standard selective catalytic reduction with ammonia on Cu-SSZ-13

SA Bates, AA Verma, C Paolucci, AA Parekh… - Journal of …, 2014 - Elsevier
Copper-exchanged SSZ-13 catalysts were used for the standard selective catalytic reduction
(SCR) reaction at 473 K with 320 ppm NO, 320 ppm NH 3, 10% O 2, 8% CO 2, and 6% H 2 …

DRIFT Study of CuO–CeO2–TiO2 Mixed Oxides for NOx Reduction with NH3 at Low Temperatures

L Chen, Z Si, X Wu, D Weng - ACS applied materials & interfaces, 2014 - ACS Publications
A CuO–CeO2–TiO2 catalyst for selective catalytic reduction of NO x with NH3 (NH3-SCR) at
low temperatures was prepared by a sol–gel method and characterized by X-ray diffraction …

Environmentally-benign catalysts for the selective catalytic reduction of NO x from diesel engines: structure–activity relationship and reaction mechanism aspects

F Liu, Y Yu, H He - Chemical communications, 2014 - pubs.rsc.org
Selective catalytic reduction of NOx using NH3 or hydrocarbons (NH3-SCR or HC-SCR) in
oxygen-rich exhaust from diesel engines remains a major challenge in environmental …

Study on the role of Fe species and acid sites in NH3-SCR over the Fe-based zeolites

D Yu, P Wang, X Li, H Zhao, X Lv - Fuel, 2023 - Elsevier
Fe doped ZSM-5 zeolite catalysts, prepared with solution ion-exchange method, calcinated
at various temperatures and aged with/without H 2 O, were tested for activity in the selective …

Selective catalytic reduction of NO with NH3 over HZSM-5-supported Fe–Cu nanocomposite catalysts: The Fe–Cu bimetallic effect

T Zhang, J Liu, D Wang, Z Zhao, Y Wei, K Cheng… - Applied Catalysis B …, 2014 - Elsevier
A series of Fe x–Cu 4/ZSM-5 catalysts with fixed Cu content and variable Fe loading
amounts were synthesized by an improved incipient-wetness-impregnation method, and …