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Browsing by Author "Vennestrøm, Peter Nicolai Ravnborg"

Now showing items 1-7 of 7

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 ...
Crystallization of AEI and AFX zeolites through zeolite-to-zeolite transformations

Boruntea, Cristian-R.; Lundegaard, Lars F.; Corma Canós, Avelino; Vennestrom, Peter N. R. (Elsevier, 2019-04)

[EN] The OH-/T-atom ratio and the Al-source are identified as critical parameters for the successful crystallization of AEI and AFX type zeolites when sufficient organic structure directing agent (OSDA) molecules are ...
Design, synthesis and characterization of small-pore zeolites for industrial environmental applications

Boruntea, Cristian-Renato (Universitat Politècnica de València, 2020-04-21)

[ES] El Proyecto de investigación aquí descrito se estructura en dos partes. La primera parte se centra en la investigación fundamental con el objetivo de crear un protocolo para la síntesis de zeolitas. La segunda parte ...
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 ...
Iron-Containing SSZ-39 (AEI) Zeolite: An Active and Stable High-Temperature NH3-SCR Catalyst

Martín-García, Nuria; VENNESTROM, PETER NICOLAI RAVNBORG; THOGERSEN, JOAKIM REIMER; Moliner Marin, Manuel; Corma Canós, Avelino (John Wiley & Sons, 2017)

[EN] The preparation of the iron-containing SSZ-39 zeolite is described for the first time through two different synthesis methods: post-synthetic cation exchange and one-pot synthesis. The nature and stability of the iron ...
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 ...
Synthesis of High-Silica Erionite Driven by Computational Screening of Hypothetical Zeolites

Boruntea, Cristian-R.; SASTRE NAVARRO, GERMAN IGNACIO; Lundegaard, Lars F.; Corma Canós, Avelino; Vennestrom, Peter N. R. (American Chemical Society, 2019-11-26)

[EN] A hypothetical zeolite framework was selected from a database of hypothetical structures and adapted based on the structural features relevant for deNOx and MTO catalysis. To attempt the realization of this structure, ...