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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Reaction kinetics and catalysis letters 28 (1985), S. 395-400 
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Образование игольчатых кристаллитов V6O13 при низкой концентрации V на катализаторах, покрытых V2O5-анатазом, объясняет низкую селективность к образованию фталевого ангидрида при окислении о-ксилола. Плоскость (010) окиси ванадия, наиболее активная для селективного окисления о-ксилола, не доступна, и контакт этой плоскости с плоскостью анатаза усиляет превращение анатаз-рутил и встраивание и блокирование ионов V+4.
    Notes: Abstract The formation of needle shaped crystallites of V6O13 at low V concentrations on V2O5-anatase coated catalysts explains the low selectivity for phthalic anhydride during o-xylene oxidation. The (010) plane of V-oxide, most active for selective oxidation of o-xylene, is not accessible and the contact of this plane with the anatase faces promotes the anatase-rutile transformation and the incorporation and blocking of V4+ ions.
    Type of Medium: Electronic Resource
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