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Browsing by Subject "MCM-22"

Now showing items 1-6 of 6

Catalytic Performance and Sulfur Dioxide Resistance of One-Pot Synthesized Fe-MCM-22 in Selective Catalytic Reduction of Nitrogen Oxides with Ammonia (NH3-SCR)-The Effect of Iron Content

Szymaszek-Wawryca, Agnieszka; DÍAZ MORALES, URBANO MANUEL; Duraczynska, Dorota; Swierczek, Konrad; Samojeden, Bogdan; Motak, Monika (MDPI AG, 2022-09)

[EN] The catalytic performance of Fe-catalysts in selective catalytic reduction of nitrogen oxides with ammonia (NH3-SCR) strongly depends on the nature of iron sites. Therefore, we aimed to prepare and investigate the ...
Cu and Fe modified derivatives of 2D MWW-type zeolites (MCM-22, ITQ-2 and MCM-36) as new catalysts for DeNOx process

Rutkowska, Malgorzata; Díaz Morales, Urbano Manuel; Palomares Gimeno, Antonio Eduardo; Chmielarz, Lucjan (Elsevier, 2015-06)

Zeolites with MWW topology (MCM-22, ITQ-2, and MCM-36) exchanged with copper and iron were studied as catalysts for selective catalytic reduction of NO with ammonia. It was shown that delamination and pillaring of layered ...
MCM-22, MCM-36, and ITQ-2 Zeolites with Different Si/Al Molar Ratios as Effective Catalysts of Methanol and Ethanol Dehydration

Marosz, Monika; Samojeden, Bogdan; Kowalczyk, Andrzej; Rutkowska, Malgorzata; Motak, Monika; DÍAZ MORALES, URBANO MANUEL; Palomares Gimeno, Antonio Eduardo; Chmielarz, Lucjan (MDPI AG, 2020-05)

[EN] MCM-22, MCM-36, and ITQ-2 zeolites with the intended Si/Al molar ratios of 15, 25, and 50 were synthetized and tested as catalysts for dehydration of methanol to dimethyl ether and dehydration of ethanol to diethyl ...
One-pot synthesis of nano-crystalline MCM-22

Tempelman, Christiaan H. L.; Portilla Ovejero, Mª Teresa; Martínez Armero, Marta Evelia; Mezari, Brahim; de Caluwe, Niek G. R.; Martínez, Cristina; Hensen, Emiel J. M. (Elsevier, 2016-01-15)

[EN] Nano-crystalline MCM-22 zeolite was synthesized in a one-pot procedure by the use of an organosilane (dimethyl-octadecyl-(3-trimethoxysilylpropyl)-ammonium chloride, TPOAC) in the zeolite synthesis gel. This crystal ...
SÍNTESIS DE ZEOLITAS CON PROPIEDADES TEXTURALES Y DE CONFINAMIENTO ADECUADAS PARA SU USO COMO CATALIZADORES EN REACCIONES QUÍMICAS DE INTERÉS INDUSTRIAL

Gallego Sánchez, Eva María (Universitat Politècnica de València, 2020-01-07)

[ES] Las zeolitas son materiales microporosos cristalinos formados por una red de tetraedros TO4 (T = Si, Al, Ti, ...) interconectados entre sí compartiendo átomos de oxígeno, que generan estructuras tridimensionales ...
The influence of ethanol-assisted washes to obtain swollen and pillared MWW-type zeolite with high degree ordering of lamellar structure

Schwanke, Anderson Joel; DÍAZ MORALES, URBANO MANUEL; Corma Canós, Avelino; Pergher, Sibele (Elsevier, 2019-02)

[EN] We studied the influence of the ethanol used as a washing solvent for obtaining swollen and pillared MWW topology zeolites with long-range ordering of lamellar structure. The diffractogram results showed that the ...