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Listar por palabra clave "Nitrogen oxides (NOx)"

Mostrando ítems 1-6 de 6

Advances and perspectives from a decade of collaborative efforts on zeolites for selective catalytic reduction of NOx

Vennestrøm, Peter N.R.; Thogersen, Joakim R.; Gabrielsson, Pär L. T.; van Tendeloo, Leen; Schütze, Frank W.; Moliner Marin, Manuel (Elsevier, 2022-12)

[EN] Nitrogen oxides (NOx) is a major air pollutant and its release is regulated by increasingly stringent legislation. Selective catalytic reduction using ammonia as a reductant (NH3-SCR) is the most widely applied method ...
Deactivation and regeneration studies on Pd-containing medium pore zeolites as passive NOx adsorbers (PNAs) in cold-start applications

Bello-Jurado, Estefanía; Margarit Benavent, Vicente Juan; Gallego-Sánchez, Eva María; Schuetze, Frank; Hengst, Christoph; Corma Canós, Avelino; Moliner Marin, Manuel (Elsevier, 2020-08-01)

[EN] Two Pd-containing medium pore zeolite frameworks, MFI and MWW, have been evaluated as passive NOx adsorbers (PNAs) in automotive applications. The NOx adsorption/desorption behavior of Pd-containing standard ZSM-5 and ...
Direct synthesis design of Cu-SAPO-18, a very efficient catalyst for the SCR of NOx

Martínez Franco, Raquel; Moliner Marin, Manuel; Corma Canós, Avelino (Elsevier, 2014-11)

The combination of Cu(II) triethylenetetramine and N,N-dimethyl-3,5-dimethylpiperidinium as structure directing agents allowed the direct preparation of highly active and hydrothermally stable Cu-SAPO-18 for the selective ...
Experimental Characterisation of Real Driving Cycles in Diesel Passenger Vehicles under Different Environmental Conditions

Redondo Puelles, Fernando (Universitat Politècnica de València, 2023-09-01)

[ES] El futuro de los Motores de Combustión Interna en el sector de la automoción parece incierto, en cierta medida, debido a los cambios recientes en las normativas de homologación. Las regulaciones actuales han reducido ...
NH3-SCR catalysts for heavy-duty diesel vehicles: Preparation of CHA-type zeolites with low-cost templates

Bello-Jurado, Estefanía; Ferri-Vicedo, Pau; Nero, Mathias; Willhammar, Tom; Millet Roig, Isabel; Schütze, Frank W.; van Tendeloo, Leen; Vennestrøm, Peter N.R.; Boronat Zaragoza, Mercedes; Corma Canós, Avelino; Moliner Marin, Manuel (Elsevier, 2022-04)

[EN] Computer-assistance allows selecting the most adequate low-cost organic structure directing agents (OSDAs) for the crystallization of Al-rich CHA-type zeolites. The host-guest stabilization energies of tetraethylammonium ...
Rational direct synthesis methodology of very active and hydrothermally stable Cu-SAPO-34 molecular sieves for the SCR of NOx

Martínez Franco, Raquel; Moliner Marin, Manuel; Franch Martí, Cristina; Kustov, Arkady; Corma Canós, Avelino (Elsevier, 2012-10-30)

A one-pot direct synthesis of Cu-SAPO-34 has been achieved that allows more than 90% yield in the material synthesis. By this method it is easy to control the Cu-loading in the Cu-SAPO-34. It is presented that a maximum ...