VILLAMAINA, ROBERTA
VILLAMAINA, ROBERTA
A simple analytical equation to assess the probe effect on Spaci-MS data: Computational and experimental validation for the redox kinetics of low-T NH3-SCR over a Cu-CHA monolith catalyst
2025-01-01 Angeli, Pietro De; Lanza, Aldo; Usberti, Nicola; Nova, Isabella; Tronconi, Enrico; Villamaina, Roberta; Ruggeri, Maria Pia; Bounechada, Djamela; York, Andrew; Hlavatý, Tomáš; Kočí, Petr
A simple redox model of low-T NO + CO adsorption onto Pd-CHA as effective Passive NOx Adsorbers
2025-01-01 Iacobone, Umberto; Gjetja, Andrea; Usberti, Nicola; Nova, Isabella; Tronconi, Enrico; Bounechada, Djamela; Villamaina, Roberta; Ruggeri, Maria Pia; York, Andrew; Mantarosie, Loredana; Collier, Jillian
Appraising Multinuclear Cu2+ Structure Formation in Cu-CHA SCR Catalysts via Low-T Dry CO Oxidation with Modulated NH3 Solvation
2022-01-01 Iacobone, Umberto; Nova, Isabella; Tronconi, Enrico; Villamaina, Roberta; Ruggeri, Maria Pia; Collier, Jillian; Thompsett, David
Effect of the NH4NO3 Addition on the Low-T NH3-SCR Performances of Individual and Combined Fe- and Cu-Zeolite Catalysts
2019-01-01 Villamaina, R.; Nova, I.; Tronconi, E.; Maunula, T.; Keenan, M.
Investigation of Low-Temperature OHC and RHC in NH3-SCR over Cu-CHA Catalysts: Effects of H2O and SAR
2024-01-01 Nasello, N. D.; Iacobone, U.; Usberti, N.; Gjetja, A.; Nova, I.; Tronconi, E.; Villamaina, R.; Ruggeri, M. P.; Bounechada, D.; York, A. P. E.; Collier, J.
Investigation of the redox properties of Fe-CHA catalysts by transient response methods
2025-01-01 Azzoni, M. E.; Usberti, N.; Gjetja, A.; Nova, I.; Tronconi, E.; Villamaina, R.; Ruggeri, M. P.; Georgieva, V.; Mantarosie, L.; Collier, J.
Low-T CO Oxidation over Cu−CHA Catalysts in Presence of NH3: Probing the Mobility of CuII Ions and the Role of Multinuclear CuII Species
2020-01-01 Villamaina, R.; Iacobone, U.; Nova, I.; Ruggeri, M. P.; Collier, J.; Thompsett, D.; Tronconi, E.
Mechanistic insight in NO trapping on Pd/Chabazite systems for the low-temperature NOx removal from Diesel exhausts
2021-01-01 Villamaina, R.; Iacobone, U.; Nova, I.; Tronconi, E.; Ruggeri, M. P.; Mantarosie, L.; Collier, J.; Thompsett, D.
Speciation of Cu Cations in Cu-CHA Catalysts for NH3-SCR: Effects of SiO2/AlO3 Ratio and Cu-Loading Investigated by Transient Response Methods
2019-01-01 Villamaina, R.; Liu, S.; Nova, I.; Tronconi, E.; Ruggeri, M. P.; Collier, J.; York, A.; Thompsett, D.
Standard NH3-SCR and N2O formation kinetics over Cu-CHA monolith catalysts: transient and steady-state redox models
2026-01-01 Usberti, Nicola; Resmini, Ramona; Gjetja, Andrea; Azzoni, Maria Elena; Nova, Isabella; Tronconi, Enrico; Villamaina, Roberta; Ruggeri, Maria Pia; Bounechada, Djamela; York, Andrew P. E.; Collier, Jillian
The deactivation of an NH3-SCR Cu-SAPO catalyst upon exposure to non-oxidizing conditions
2019-01-01 Villamaina, R.; Nova, I.; Tronconi, E.; Maunula, T.; Keenan, M.
The Effect of CH4 on NH3-SCR Over Metal-Promoted Zeolite Catalysts for Lean-Burn Natural Gas Vehicles
2018-01-01 Villamaina, Roberta; Nova, Isabella; Tronconi, Enrico; Maunula, Teuvo; Keenan, Matthew
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 CO Oxidation as a Versatile Technique to Investigate Cu2+ Titration, Speciation and Sites Hydrolysis on Cu–CHA Catalysts: The Cu Loading Effect
2023-01-01 Iacobone, Umberto; Nova, Isabella; Tronconi, Enrico; Villamaina, Roberta; Ruggeri, Maria Pia; Collier, Jillian; Thompsett, David