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Listar por palabra clave "Selective catalytic reduction"

Mostrando ítems 1-6 de 6

Ammonia injection optimization for selective catalytic reduction aftertreatment systems

Pla Moreno, Benjamín; Bares-Moreno, Pau; Sanchis-Pacheco, Enrique José; Nakaema-Aronis, André (SAGE Publications, 2021-07)

[EN] This work presents an optimized ammonia injection strategy for the Worldwide Harmonized Light Vehicles Test Cycle and its potential benefits in terms of NO(x)emissions and ammonia consumption in selective catalytic ...
Fe-Containing Zeolites for NH3-SCR of NOx: Effect of Structure, Synthesis Procedure, and Chemical Composition on Catalytic Performance and Stability

Martín-García, Nuria; Vennestrom; Peter Nicolai Ravnborg; Thogersen, Joakim Reimer; Moliner Marin, Manuel; Corma Canós, Avelino (John Wiley & Sons, 2017)

[EN] The direct preparation of different iron-containing Beta and CHA zeolites has been attempted under diverse synthesis conditions, including in alkaline and fluoride media, to evaluate the influence of their physicochemical ...
Influence of lattice stability on hydrothermal deactivation of Cu-ZSM-5 and Cu-IM-5 zeolites for selective catalytic reduction of NOx by NH3

VENNESTROM, PETER NICOLAI RAVNBORG; Janssens, Ton V. W.; Kustov, Arkady; Grill, Marie; Puig-Molina, Anna; Lundegaard, Lars F.; Tiruvalam, Ramchandra R.; Concepción Heydorn, Patricia; Corma Canós, Avelino (Elsevier, 2014-01)

Copper-exchanged zeolites are well-known catalysts for the selective catalytic reduction of nitrogen oxides by ammonia (NH3-SCR). To determine the influence of framework stability on catalyst deactivation, two zeolite ...
NOx sensor cross sensitivity model and simultaneous prediction of NOx and NH3 slip from automotive catalytic converters under real driving conditions

Pla Moreno, Benjamín; Piqueras, P.; Bares-Moreno, Pau; Nakaema-Aronis, André (SAGE Publications, 2021-10)

[EN] This work presents the development of a model to capture the NOx sensors cross sensitivity behavior based on NO(x )sensor cell temperature, as well as a model do predict the slip of the NOx and NH3 after the SCR ...
Reducción catalítica selectiva de NOx a bajas temperaturas

Blanch Raga, Neus (Universitat Politècnica de València, 2011-09-08)

El control de las emisiones de óxidos de nitrógeno se está convirtiendo en un desafío técnico debido a los límites de emisión cada vez más estrictos que se están imponiendo. Se ha estudiado la reducción catalítica selectiva ...
Selective catalytic reduction of nitrogen oxides with ammonia over microporous zeolite catalysts

VENNESTROM, PETER NICOLAI RAVNBORG (Universitat Politècnica de València, 2014-10-14)

With increasing legislative demands to remove nitrogen oxides (NOx) from automotive diesel exhaust, new catalyst systems are investigated and intensely studied in industry as well in academia. The most prevailing catalytic ...