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Side-chain alkylation of toluene with methanol over Cs2O-activated carbon catalyst

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Abstract

The side-chain alkylation of toluene to form ethylbenzene or styrene has been investigated using a conventional flow reactor at temperatures near 475°C. Cs2O (10–20 wt. %)-activated carbon catalyst prepared by an impregnation method showed an excellent activity and selectivity. The calcination temperature of the catalyst and the addition of CO2 or H2O into the reactant mixture affected the catalyst activity in a striking manner.

Abstract

Алкилирование боквой цепочки толуола, приводящее к образованию этилбензола или стирола, быо исследовано, используя обычный проточный реактор при температурах около 475°C. Катализатор, активированный Cs2O (10–20 вес. %) и приготовленный методом импрегнирования, обладает превосходной активностью и селективностью. Температура кальцинирования катализатора и добавка CO2 или H2O в реагирующую смесь оказывают влияние на активность катализатора удивительным образом.

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Yamaguchi, N., Kobayashi, A., Sodesawa, T. et al. Side-chain alkylation of toluene with methanol over Cs2O-activated carbon catalyst. React Kinet Catal Lett 25, 11–15 (1984). https://doi.org/10.1007/BF02076531

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  • DOI: https://doi.org/10.1007/BF02076531

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