Alkylation process of alkanes with olefins utilizing chlorided alumina catalyst
AssigneeTexaco Inc.
InventorsSheldon Herbstman, Allen N. Webb, John H. Estes
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Abstract
A process for the alkylation of alkanes with olefins under alkylation conditions with a catalyst having improved long term activity and composed of alumina and chlorine. The improved catalyst is prepared by contacting a catalytically active chlorided alumina composite catalyst with vaporized aluminum chloride to add 2-15 wt. % of additional chlorine to said catalyst. In a preferred embodiment the active catalyst is heat treated in an oxidizing atmosphere prior to contacting with aluminum chloride.
Claims9
A process for the alkylation of alkanes with olefins which comprises contacting an alkane and an olefin under alkylation conditions with an improved catalyst consisting essentially of chlorine and alumina, said improved catalyst prepared by reacting a catalytically active chlorided alumina composite comprising from about 3.0 to 15.0 weight percent chlorine with aluminum chloride at a temperature of between 300.degree. and 650.degree. F. wherein 100 parts by weight of said composite is contacted with from about 2 to 40 parts by weight of vaporized aluminum chloride thereby further chlorinating said catalyst's surface with an additional 2 to 15 weight percent chlorine without the deposition of aluminum chloride.
Dependencies are inferred from the claim text.