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Vanadium Supported on Hexagonal Mesoporous Silica: Active and Stable Catalysts in the Oxidative Dehydrogenation of Alkanes

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F07%3A00005915" target="_blank" >RIV/00216275:25310/07:00005915 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Vanadium Supported on Hexagonal Mesoporous Silica: Active and Stable Catalysts in the Oxidative Dehydrogenation of Alkanes

  • Original language description

    Hexagonal mesoporous silica (HMS) catalysts post-synthetically doped with vanadia oxo-species were characterized by means of XRD, UV-Vis spectroscopy, H-2-TPR and studied in oxidative dehydrogenation of propane (ODH). The relationship between catalytic activity in ODH and the presence of different vanadia-oxo species (monomeric, oligomeric and oxide-like species) was suggested. Monomeric VOx species are responsible for high catalytic activity and selectivity, oligomeric species containing V-O-V bond areactive but non-selective to propene and oxide-like VOx particles are significantly less active and selective.

  • Czech name

    Hexagonální mesoporézní silika nesoucí vanad: aktivní a stabilní katalyzátor pro oxidativní dehydrogenaci lehkých uhlovodíků

  • Czech description

    Hexagonální mesoporézní silika dopovaná vanadem byla charakterizována pomocí XRD, UV-vis spektroskopií, H2-TPR a dále byla studována v oxidativní dehydrogenaci propanu (ODH). Byl navržen vztah mezi katalytickou aktivitou v ODH a přítomností různých vanadových oxo-komplexů.monomerní oxo-komplexy jsou zodpovědné za aktivitu a selektivitu katalyzátoru v reakci, zatímco oligomerické a oxidické komplexy jsou neselektivní a přispívají k zvýšené produkci oxidů uhlíku.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CF - Physical chemistry and theoretical chemistry

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GD203%2F03%2FH140" target="_blank" >GD203/03/H140: Organised materials for highly selective catalytic and separation processes</a><br>

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2007

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Topics in Catalysis

  • ISSN

    1022-5528

  • e-ISSN

  • Volume of the periodical

    45

  • Issue of the periodical within the volume

    1-4

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    5

  • Pages from-to

    51-55

  • UT code for WoS article

  • EID of the result in the Scopus database