Bull. Russ. Acad. Sci. Div. Chem. Sci. (Engl. Transl.) p. 2143 - 2146 (1992)
Update date:2022-08-11
Topics:
Isaev, S. A.
Vasina, T. V.
Bragin, O. V.
The alkylation of benzene by propane over pentasil-aluminum compositions (HTsVM-γ-Al2O3) has been studied for a wide range of compositions and also over dealuminated and dehydroxylated samples.It has been established that Al2O3 plays little if any part in this reaction.As the proportion of HTsVM in the composition is increased the yield of alkyaromatic hydrocarbon increases, reaching a maximum (36percent) for pure HTsVM.Dealumination and dehydroxylation of the HTsVM led to a significant reduction in the yield of alkylation products.It was concluded the Broensted acid centers of the zeolite are responsible for bringing about the alkylation of benzene by the lower alkanes. Keywords: alkylation of benzene, zeolites, alumina, alkylaromatic hydrocarbons, Broensted acid centers.
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