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Browsing by Author "Góra-Marek, Kinga"

Now showing items 1-5 of 5

Acidity and accessibility studies of desilicated ZSM-5 zeolites in terms of their effectiveness as catalysts in acid-catalyzed cracking processes

Tarach, Karolina A.; Góra-Marek, Kinga; Martínez-Triguero, Joaquín; Melian-Cabrera, Ignacio (The Royal Society of Chemistry, 2017-02-21)

[EN] The structural, textural and acidic characteristics of hierarchical ZSM-5 (Si/Al = 18¿32), obtained with two desilication approaches, and the effect of these treatments on the reactivity in various cracking reactions ...
Ce-modified zeolite BEA catalysts for the trichloroethylene oxidation. The role of the different and necessary active sites

Golabek, Kinga; Palomares Gimeno, Antonio Eduardo; Martínez-Triguero, Joaquín; Tarach, Karolina A.; Kruczala, Krzysztof; Girman, Vladimir; Góra-Marek, Kinga (Elsevier, 2019-12-15)

[EN] This paper reports the activity of different Ce-BEA zeolites for the catalytic oxidation of trichloroethylene and it is focused on determining the nature of the catalyst active sites. The study was made by using a ...
Desilication of highly siliceous zeolite ZSM-5 with NaOH and NaOH/tetrabutylamine hydroxide

Sadowska, K; Góra-Marek, Kinga; Drozdek, Marek; Kustrowski, Piotr; Datka, J; Martínez-Triguero, Joaquín; Rey Garcia, Fernando (Elsevier, 2013-03-01)

The results of both chemical and XPS analysis pointed out that desilication of highly siliceous ZSM-5 of Si/Al = 164 was more effective in the surface zone than in the bulk, contrary to zeolite ZSM-5 of Si/Al = 31.6. ...
Hydrothermal stability and catalytic performance of desilicated highly siliceous zeolites ZSM-5

Tarach, Karolina A.; Martínez-Triguero, Joaquín; Rey Garcia, Fernando; Góra-Marek, Kinga (Elsevier, 2016-07)

Highly siliceous zeolites, namely MFI type have attracted the great attention due to their higher hydrothermal stability, higher selectivity to organic compounds, and often better catalytic properties in comparison with ...
Study of propane oxidation on Cu-zeolite catalysts by in-situ EPR and IR spectroscopies

Moreno González, Marta; Blasco Lanzuela, Teresa; Góra-Marek, Kinga; Palomares Gimeno, Antonio Eduardo; Corma Canós, Avelino (Elsevier, 2014-05-15)

Three Cu-zeolites with different structure, Cu-TNU-9, Cu-ITQ-2 and Cu Y have been tested as catalysts for propane oxidation reaction. The activity follows the trend: Cu-TNU-9 > Cu-ITQ-2 > Cu Y, and in situ electron ...