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  • 1
    Electronic Resource
    Electronic Resource
    Hydrocarbon conversion on promoted rhodium/Al2O3 catalysts (1982)
    Springer
    Reaction kinetics and catalysis letters 18 (1982), S. 213-216 
    Details
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Для катализаторов (E+Rh)/Al2O3 (E:Sn, Pb, Mo, W) наблюдается резкое изменение каталитических свойсть родия в гидрировании бензола, гидрогенолизе пропана, превращении н-гексана. Снижение для модифицированного родия скорости разрыва C−C связей в парафинах приводит к возрастанию выхода продуктов недеструктивного превращения н-гексана.
    Notes: Abstract In (E+Rh)/Al2O3 catalysts (E=Sn, Pb, Mo and W) the catalytic properties of rhodium in benzene hydrogenation, propane hydrogenolysis and n-hexane conversion change drastically. For modified rhodium the decrease in the hydrogenolysis rate of C−C bonds in paraffins leads to an increased yield of the products of non-destructive conversion of n-hexane.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02065166
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Deactivation of reforming catalysts. Coke formation on metallic and acidic centers (1990)
    Springer
    Reaction kinetics and catalysis letters 41 (1990), S. 277-282 
    Details
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Для контроля закоксования металлических (Pto) и кислотных (Al3+) центров катализаторов Pt/Al2O3 и Pt−Sn/Al2O3 обосновано использование ИК-спектроскопии адсорбированного CO с детектированием связей Pto−CO (2070 см−1) и Al3+−CO (2190 см−1). Показано, что снижение числа активных центров Pto коррелирует с уменьшением скорости дегидрирования циклогексана, а Al3+-изомеризации гептана.
    Notes: Abstract To check coke formation on metallic (Pto) and acidic (Al3+) centers of Pt/Al2O3 and Pt−Sn/Al2O3 catalysts, the application of IR spectroscopy of adsorbed CO for detecting Pto−CO (2070 cm−1) and Al3+−CO (2190 cm−1) bonds has been substantiated. Decrease in the number of active Pto and Al3+ centers is shown to correlate with that in the dehydrogenation rate of cyclohexane and in the isomerization rate of heptane, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02097881
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Electron microscopic and chemisorption studies of the dispersity of supported rhodium catalysts of various compositions (1981)
    Springer
    Reaction kinetics and catalysis letters 16 (1981), S. 43-47 
    Details
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Изучена дисперсность и распределение частиц металла по размерам в монометаллических и биметаллических родийсодержащих катализаторах, приготовленных разложением закреплённых на поверхности SiO2 и Al2O3 комплексов и пропиткой носителя неорганическими соединениями металлов.
    Notes: Abstract The dispersity and size distribution of metal particles in mono- and bimetallic rhodiumcontaining catalysts prepared via decomposition of SiO2- and Al2O3-supported complexes and impregnation of the support by inorganic metal compounds have been studied.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02077026
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    Paper (German National Licenses)
    Fulltext
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