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Description
  • Byla studována syntéza a katalytické vlastnosti zeolitů MCM-58 a MCM-68. Zeolit MCM-58 byl syntetizován s organickou molekulou N-benzylquinuclidin bromid (BQ), která byla strukturně řídícím činidlem (SDA). Zeolit byl připraven v širokém rozmezí poměrů v gelu nSi/nAl = 20 - 40 a nSi/nFe = 20 - 40. Zeolit MCM-68 byl syntetizován s N,N,N’,N’-tetraethylbicyclo[2.2.2]oct-7-ene-2,3:5,6-dipyrrolidiniem diiodidem jako strukturně řídícím činidlem v rozsahu počátečních poměrů nSi/nAl od 9 do 20. Katalytické vlastnosti zeolitů byly testovány v alkylaci toluenu isopropyl alkoholem. Relativně vysoké množství n-propyltoluenů vznikalo na zeolitech Al-MCM-58 a Al-MCM-68. Fe-MCM-58 vykazoval téměř 100 % selektivitu na cymeny. (cs)
  • Nanostacked zeolite having MFI-structure contained titanium metal ions on its framework, has been prepared via microwave irradiation. Nanofabrication of titanium containing MFI zeolitic materials under microwave irradiation was successfully implemented by the adhesion of crystallites through the condensation of hydroxyl groups on surface via selective adsorption of microwave energy onto high dielectric metal species including Ti species as a nanoglue. This microwave technique gave births of both the uniform size of hockey puck shaped crystals and the fibrous stacked morphology of MFI crystals. This material have superior adsorption selectivity of linear hydrocarbons such as n-hexane, n-octane and both increased of activity and selectivity in the epoxidation of styrene into styrene epoxide.
  • Nanostacked zeolite having MFI-structure contained titanium metal ions on its framework, has been prepared via microwave irradiation. Nanofabrication of titanium containing MFI zeolitic materials under microwave irradiation was successfully implemented by the adhesion of crystallites through the condensation of hydroxyl groups on surface via selective adsorption of microwave energy onto high dielectric metal species including Ti species as a nanoglue. This microwave technique gave births of both the uniform size of hockey puck shaped crystals and the fibrous stacked morphology of MFI crystals. This material have superior adsorption selectivity of linear hydrocarbons such as n-hexane, n-octane and both increased of activity and selectivity in the epoxidation of styrene into styrene epoxide. (en)
Title
  • Synthesis and characterization of novel zeolites MCM-58 and MCM-68
  • Syntéza a charakterizace nových typů zeolitů MCM-58 a MCM-68 (cs)
  • Synthesis and characterization of novel zeolites MCM-58 and MCM-68 (en)
skos:prefLabel
  • Synthesis and characterization of novel zeolites MCM-58 and MCM-68
  • Syntéza a charakterizace nových typů zeolitů MCM-58 a MCM-68 (cs)
  • Synthesis and characterization of novel zeolites MCM-58 and MCM-68 (en)
skos:notation
  • RIV/61388955:_____/05:00021956!RIV06-AV0-61388955
http://linked.open.../vavai/riv/strany
  • 59;66
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • 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
  • 545705
http://linked.open...ai/riv/idVysledku
  • RIV/61388955:_____/05:00021956
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • catalysis; zeolites; ZSM-5 (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [C55DE833D55A]
http://linked.open...v/mistoKonaniAkce
  • Prague
http://linked.open...i/riv/mistoVydani
  • Amsterdam
http://linked.open...i/riv/nazevZdroje
  • Studies in Surface Science and Catalysis
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
  • Košová, Gabriela
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
  • 0-444-51670-0
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