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Cyclohexene skeletal isomerization activity of sepiolites modified with B3+ or Al3+ ions

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Abstract

The effect of sepiolite modification by B3+ and Al3+ ions on catalytic performance were investigated in cyclohexene skeletal isomerization (CSI) reaction. Catalytic activity to 1- and 3-methylcyclopentenes (1- and 3-MCP) fit the Bassett-Habgood kinetic model for first order processes. These ions induced strong acidity in the sepiolite and the best results (greater activity and selectivity to 1-MCP) were found when the sepiolite was exchanged with an BF3/methanol solution which contained 3 wt.% of the B3+ ion.

Abstract

Влияние модификации сепиолита ионами B3+ и Al3+ на каталитическую активность исследовали в реакции скелетальной иэомеризации циклогексена. Каталитическая активность по отношению к 1-и 3-метилциклопентенам соответствует кинетической модели бассета-Хавгуда для процессов первого порядка. Эти ионы индуцируют сильную кислотность в сепиолите. Наилучшие результаты-наивысшие активность и селективность к 1-метилциклопентену-были получены, когда сепиолит подвергали обработке раствором BF3/метанол, содержащем 3 вес. % ионов B3+.

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Authors and Affiliations

  1. Organic Chemistry Department, Cordoba University, San Alberto Magno Ave., E-14004, Cordoba, Spain

    J. M. Campelo, A. Garcia, D. Luna & J. M. Marinas

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  1. J. M. Campelo
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  2. A. Garcia
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  3. D. Luna
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  4. J. M. Marinas
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Campelo, J.M., Garcia, A., Luna, D. et al. Cyclohexene skeletal isomerization activity of sepiolites modified with B3+ or Al3+ ions. React Kinet Catal Lett 41, 13–19 (1990). https://doi.org/10.1007/BF02075475

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  • DOI: https://doi.org/10.1007/BF02075475

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