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Description
  • Vliv přídavku uhlíkových částic na syntézu zeolitu ZSM-5 byl zkoumán pomocí sekundárního templátování nebo syntézy v omezeném prostoru. Připravené mezoporézní zeolity ZSM-5 byly charakterizovány pomocí difrakce rentgenova záření, adsorpce dusíku, rastrovací elektronové mikroskopie a adsorpce d3-acetonitrilu sledované infračervenou spektroskopií. Připravené materiály vykazovaly vysokou krystalinitu; objem mezopórů pak závisel na množství uhlíku v syntézním gelu. Při aplikaci metody sekundárního templátování byly velikost mezopórů a velikost uhlíkových částic blízké. V případě syntézy v omezeném prostoru byla nalezena relativně široká distribuce mezopórů, způsobená agregací uhlíkových částic. (cs)
  • The effect of addition of carbon particles on the sznthesis of ZSM-5 zeolites and formation of mesopores inside of zeolite crystals was investigated using secondary templating or synthesis in confined space. Mesoporous ZSM-5 zeolites were characterized by X-ray powder diffraction, nitrogen adsorption, scanning electron microscopy and adsorption of d3-acetonitrile followed by infrared spectroscopy. Highly crystalline ZSM-5 zeolites were synthesized, the mesoporous volume of which depends on the amount of carbon added to the synthesis gel. While for secondary templating approach diameter of mesopores was closed to the size of carbon particles, in the case of synthesis performed in confined space pore size of carbon particles, in the case of synthesis performed in confined space pore size distribution was much broader due to the presence of aggregates of carbon particles.
  • The effect of addition of carbon particles on the sznthesis of ZSM-5 zeolites and formation of mesopores inside of zeolite crystals was investigated using secondary templating or synthesis in confined space. Mesoporous ZSM-5 zeolites were characterized by X-ray powder diffraction, nitrogen adsorption, scanning electron microscopy and adsorption of d3-acetonitrile followed by infrared spectroscopy. Highly crystalline ZSM-5 zeolites were synthesized, the mesoporous volume of which depends on the amount of carbon added to the synthesis gel. While for secondary templating approach diameter of mesopores was closed to the size of carbon particles, in the case of synthesis performed in confined space pore size of carbon particles, in the case of synthesis performed in confined space pore size distribution was much broader due to the presence of aggregates of carbon particles. (en)
Title
  • Formation of mesopores in ZSM-5 by carbon templating
  • Formation of mesopores in ZSM-5 by carbon templating (en)
  • Vznik mezopórů v ZSM-5 pomocí templátování uhlíkem (cs)
skos:prefLabel
  • Formation of mesopores in ZSM-5 by carbon templating
  • Formation of mesopores in ZSM-5 by carbon templating (en)
  • Vznik mezopórů v ZSM-5 pomocí templátování uhlíkem (cs)
skos:notation
  • RIV/61388955:_____/06:00042096!RIV07-AV0-61388955
http://linked.open.../vavai/riv/strany
  • 905;912
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1QS400400560), P(GA203/05/0197), P(KJB4040402), Z(AV0Z40400503)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 476177
http://linked.open...ai/riv/idVysledku
  • RIV/61388955:_____/06:00042096
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • ZSM-5 zeolites; synthesis; catalysis (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [B6054289FE20]
http://linked.open...v/mistoKonaniAkce
  • Louvain-la-Neuve
http://linked.open...i/riv/mistoVydani
  • Amsterdam
http://linked.open...i/riv/nazevZdroje
  • Scientific Bases for the Preparation of Heterogeneous Catalysts
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Zukal, Arnošt
  • Čejka, Jiří
  • Žilková, Naděžda
  • Košová, Gabriela
  • Pavlačková, Zuzana
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Elsevier
https://schema.org/isbn
  • 0-444-52827-X
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