About: Enhancement of Activity and Selectivity in Acid-Catalyzed Reactions by Dealuminated Hierarchical Zeolites

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	High-silica zeolites with crystalline aluminosilicate frame- works balance the charge of strongly acidic protons during the processing of oil, in petrochemistry, and increasingly in numerous organic syntheses. The transformation of hydro- carbons is controlled by the concentration and strength of the acid sites and the dimensions and architecture of the inner pores. Zeolite micropores, which have a diameter similar to organic molecules, govern the shape selectivity of the reaction in the inner space, but also result in slow transport of reactants and products, thus limiting the reaction rate. [1] Several approaches have been developed to enhance the mass transport by using zeolite nanosheets and nanocrystals, [2–4] or zeolites that contain both micro- and mesopores. The latter hierarchical zeolites were prepared by confined crystal growth, [5,6] by using polymers as mesoporogens, [7] or through post-synthesis desilication or dealumination processes. High-silica zeolites with crystalline aluminosilicate frame- works balance the charge of strongly acidic protons during the processing of oil, in petrochemistry, and increasingly in numerous organic syntheses. The transformation of hydro- carbons is controlled by the concentration and strength of the acid sites and the dimensions and architecture of the inner pores. Zeolite micropores, which have a diameter similar to organic molecules, govern the shape selectivity of the reaction in the inner space, but also result in slow transport of reactants and products, thus limiting the reaction rate. [1] Several approaches have been developed to enhance the mass transport by using zeolite nanosheets and nanocrystals, [2–4] or zeolites that contain both micro- and mesopores. The latter hierarchical zeolites were prepared by confined crystal growth, [5,6] by using polymers as mesoporogens, [7] or through post-synthesis desilication or dealumination processes. (en)
Title	Enhancement of Activity and Selectivity in Acid-Catalyzed Reactions by Dealuminated Hierarchical Zeolites Enhancement of Activity and Selectivity in Acid-Catalyzed Reactions by Dealuminated Hierarchical Zeolites (en)
skos:prefLabel	Enhancement of Activity and Selectivity in Acid-Catalyzed Reactions by Dealuminated Hierarchical Zeolites Enhancement of Activity and Selectivity in Acid-Catalyzed Reactions by Dealuminated Hierarchical Zeolites (en)
skos:notation	RIV/61388955:_____/13:00420720!RIV14-MPO-61388955
http://linked.open...avai/predkladatel	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(FR-TI3/316), P(GAP106/11/0624)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Rathouský, Jiří Sobalík, Zdeněk Sazama, Petr Dědeček, Jiří Bastl, Zdeněk Jirglová, Hana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	72938
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/13:00420720
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	alkylation; cracking; dealumination (en)
http://linked.open.../riv/klicoveSlovo	cracking alkylation dealumination
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[0C4178341456]
http://linked.open...i/riv/nazevZdroje	Angewandte Chemie. International Edition in English
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	*Research and development of highly active catalyst based on ZrO2 and its application for izomerization of C5-C6 hydrocarbons New category of zeolites with pentasil ring structure: Catalytic processes on zeolites with controlled distribution of aluminum atoms in the framework
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	52
http://linked.open...iv/tvurceVysledku	Dědeček, Jiří Rathouský, Jiří Sazama, Petr Sobalík, Zdeněk Jakubec, Ivo Bastl, Zdeněk Jirglová, Hana Parvulescu, V. I.
http://linked.open...ain/vavai/riv/wos	000314654000028
issn	1433-7851
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/anie.201206557

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