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Means for Catalyst Activity Stabilization of Catalyst for Disproportionation and Transalkylation of Alkylbenzenes
Hanika, Jiří ; Kolena, J. ; Morávek, P. ; Šimek, J.
Experiences from catalytic transformation of trialkylbenzenes in reaction with toluene catalyzed by zeolite catalysts were summarized in the study. Kinetic investigation of 1,2,4-trimethylbenzene and tri- and tetramethylbenzenes in hydrorafinated C9 pyrolysis fraction transalkylation by toluene at temperature 350 - 450 oC and hydrogen pressure 3 MPa in bench scale tubular reactor was made. A positive effect of nickel component in catalyst pellet on its stability has been demonstrated. Activity of catalyst prepared in the study was compared with that of commercial sample.

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