Propylation of toluene
AssigneeMobil Oil Corporation
InventorsFrancis G. Dwyer, Donald J. Klocke
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Abstract
Propylation of toluene with selective production of cymene is accomplished by vapor phase reaction of toluene and propylene at a temperature between about 400.degree. and about 600.degree. F. in the presence of a catalyst comprising a crystalline aluminosilicate zeolite, said zeolite having a silica to alumina ratio of at least about 12 and a constraint index, as hereinafter defined, within the approximate range of 1 to 12.
Claims4
A process for the propylation of toluene with selective production of cymene consisting essentially of vapor phase reaction of toluene and propylene at a temperature between about 400.degree. F. and about 500.degree. F. and a weight hourly space velocity between about 0.5 and about 100 in the presence of a catalyst comprising ZSM-5 crystalline aluminosilicate zeolite, said zeolite having a silica to alumina ratio of at least about 12.
Dependencies are inferred from the claim text.