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Alkylation of toluene with ethylene on HZSM-5

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Abstract

Alkylation of toluene with ethylene on unmodified large-crystal HZSM-5 has been studied in a flow system at 673 K, atmospheric pressure. The yield of ethyltoluenes increased and that of benzene and xylenes decreased with time on stream. This change in yields was accelerated by increasing the ethylene content of feed and by pretreating the catalyst with ethylene. Selectivity for toluene ethylation increase with increasing space velocity.

Abstract

Алкилирование толуола этиленом на немоифицированном цеолите HZSM-5 с крупньми кристаллами исследовали в проточной системе при 673 К и атмосферном давлении. Вы-ход этилтолуолов увеличивэется, выход бензола и ксилола уменьшается со временем на струе. Это изменение в выхо-дах было усилено увеличением содержания этилена на пи-тании и предварительной обработкой катализатора этиле-ном. Селективность этилирования толуола увеличивается с увеличением объемной скорости.

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Authors and Affiliations

  1. Central Research Institute for Chemistry, Hungarian Academy of Sciences, P.O. Box 17, H-1525, Budapest, Hungary

    J. Engelhardt & F. Lónyi

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  1. J. Engelhardt
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  2. F. Lónyi
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Engelhardt, J., Lónyi, F. Alkylation of toluene with ethylene on HZSM-5. React Kinet Catal Lett 34, 355–360 (1987). https://doi.org/10.1007/BF02068030

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  • DOI: https://doi.org/10.1007/BF02068030

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