GRAMIGNI, FEDERICA
A PGM-free NOx adsorber + selective catalytic reduction catalyst system (AdSCR) for trapping and reducing NOx in lean exhaust streams at low temperature
2018-01-01 Selleri, Tommaso; Gramigni, Federica; Nova, Isabella; Tronconi, Enrico; Dieterich, Simone; Weibel, Michel; Schmeisser, Volker
Abgasnachbehandlungseinrichtung für ein Kraftfahrzeug mit einem Katalysator, welcher wenigstens ein SCR-Material und wenigstens ein NOx-Speicher-Material aufweist, und Verfahren zum Betreiben einer solchen Abgasnachbehandlungseinrichtung
2019-01-01 Tronconi, E.; Nova, I.; Selleri, T.; Gramigni, F.; Dieterich, S.; Schmeißer, V.; Weibel, M.
AdSCR Systems (Adsorption + Selective Catalytic Reduction): Analysis of the Influence of H2O and CO2 on Low Temperature NOx Emission Reduction Performances
2021-01-01 Nasello, N. D.; Gramigni, F.; Nova, I.; Tronconi, E.
An experimental and modelling study of the reactivity of adsorbed NH3 in the low temperature NH3-SCR reduction half-cycle over a Cu-CHA catalyst
2020-01-01 Usberti, N.; Gramigni, F.; Nasello, N. D.; Iacobone, U.; Selleri, T.; Hu, W.; Liu, S.; Gao, X.; Nova, I.; Tronconi, E.
An Experimental Study of Dual-Layer Adscr Systems for NOx Abatement during Cold-Start Transients
2022-01-01 Azzoni, MARIA ELENA; Sascha Franchi, Federico; Usberti, Nicola; Nasello, NICOLE DANIELA; Gramigni, Federica; Nova, Isabella; Castoldi, Lidia; Tronconi, Enrico
Analysis of AdSCR Systems for NOx Removal During the Cold-Start Period of Diesel Engines
2019-01-01 Gramigni, F.; Selleri, T.; Nova, I.; Tronconi, E.; Dieterich, S.; Weibel, M.; Schmeisser, V.
Catalyst systems for selective catalytic reduction + NO: X trapping: From fundamental understanding of the standard SCR reaction to practical applications for lean exhaust after-treatment
2019-01-01 Gramigni, F.; Selleri, T.; Nova, I.; Tronconi, E.
Dual-Site RHC and OHC Transient Kinetics Predict Low-T Standard SCR Steady-State Rates over a Cu-CHA Catalyst
2023-01-01 Nasello, Nicole Daniela; Usberti, Nicola; Iacobone, Umberto; Gramigni, Federica; Hu, Wenshuo; Liu, Shaojun; Nova, Isabella; Gao, Xiang; Tronconi, Enrico
Dynamic Binuclear Cu II Sites in the Reduction Half-Cycle of Low-Temperature NH3-SCR over Cu-CHA Catalysts
2022-01-01 Hu, Wenshuo; Gramigni, Federica; Nasello, NICOLE DANIELA; Usberti, Nicola; Iacobone, Umberto; Liu, Shaojun; Nova, Isabella; Gao, Xiang; Tronconi, Enrico
NO oxidation on Fe- and Cu-zeolites mixed with BaO/Al 2 O 3 : free oxidation regime and relevance for the NH 3 -SCR chemistry at low temperature
2018-01-01 Selleri, Tommaso; Gramigni, Federica; Nova, Isabella; Tronconi, Enrico
On the Redox Mechanism of Low-Temperature NH3-SCR over Cu-CHA: A Combined Experimental and Theoretical Study of the Reduction Half Cycle
2021-01-01 Hu, W.; Selleri, T.; Gramigni, F.; Fenes, E.; Rout, K. R.; Liu, S.; Nova, I.; Chen, D.; Gao, X.; Tronconi, E.
Review of hydrocarbon poisoning and deactivation effects on Cu- Zeolite, fe-zeolite, and vanadium-based selective catalytic reduction catalysts for nox removal from lean exhausts
2021-01-01 Gramigni, F.; Iacobone, U.; Nasello, N. D.; Selleri, T.; Usberti, N.; Nova, I.
The h2o effect on cu speciation in cu-cha-catalysts for nh3-scr probed by nh3 titration
2021-01-01 Villamaina, R.; Gramigni, F.; Iacobone, U.; Liu, S.; Nova, I.; Tronconi, E.; Ruggeri, M. P.; Collier, J.; York, A. P. E.; Thompsett, D.
Transient Kinetic Analysis of Low-Temperature NH3-SCR over Cu-CHA Catalysts Reveals a Quadratic Dependence of Cu Reduction Rates on CuII
2021-01-01 Gramigni, F.; Nasello, N. D.; Usberti, N.; Iacobone, U.; Selleri, T.; Hu, W.; Liu, S.; Gao, X.; Nova, I.; Tronconi, E.
Transient Redox Behavior of a NH3-SCR Cu-CHA SCR Catalyst: Effect of O2 Feed Content Variation
2023-01-01 Nasello, Nicole Daniela; Gramigni, Federica; Nova, Isabella; Tronconi, Enrico; Hofmann, Frank; Dieterich, Simone; Crocoll, Marcus; Weibel, Michel
Unexpected Low-Temperature deNOx Activity of AdSCR Systems for Cold Start NOx Abatement
2020-01-01 Gramigni, F.; Nasello, N. D.; Selleri, T.; Nova, I.; Tronconi, E.; Dieterich, S.; Weibel, M.
Unraveling the Hydrolysis of Z2Cu2+to ZCu2+(OH)-and Its Consequences for the Low-Temperature Selective Catalytic Reduction of NO on Cu-CHA Catalysts
2021-01-01 Hu, W.; Iacobone, U.; Gramigni, F.; Zhang, Y.; Wang, X.; Liu, S.; Zheng, C.; Nova, I.; Gao, X.; Tronconi, E.