Conversion of oxygenates to hydrocarbons
AssigneeMobil Oil Corporation
InventorsClarence D. Chang, Joseph N. Miale
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Abstract
A process is provided for converting feedstock comprising oxygenates to product comprising hydrocarbons over a catalyst comprising a high silica crystalline zeolite which has been treated sequentially by contact with a dilute hydrogen fluoride solution and then by contact with aluminum chloride vapor.
Claims19
A process for converting a feedstock comprising organic compounds selected from the group consisting of alcohol, carbonyl, ether and mixtures thereof to conversion products comprising hydrocarbon compounds which comprises contacting said feedstock at conversion conditions with a catalyst composition comprising a crystalline zeolite having an initial silica:alumina mole ratio greater than about 100:1 and having been synthesized from a reaction mixture comprising a diamine, said zeolite being treated by the sequential steps of reacting said zeolite with a dilute aqueous solution of hydrogen fluoride of from about 0.1 to about 5 Normal at a temperature of from about 0.degree. C. to about 30.degree. C. for a time of less than about 60 minutes, contacting said hydrogen fluoride reacted zeolite with aluminum chloride vapor at a temperature of from about 100.degree. C. to about 850.degree. C., and converting said aluminum chloride contacted material to hydrogen form.
A process for converting a feedstock comprising organic compounds selected from the group consisting of alcohol, carbonyl, ether and mixtures thereof to conversion products comprising hydrocarbon compounds which comprises contacting said feedstock at conversion conditions with a catalyst composition comprising a crystalline zeolite having an initial silica:alumina mole ratio greater than about 100:1 and the structure of zeolite ZSM-48, said crystalline zeolite having been treated by the sequential steps of reacting said zeolite with a dilute aqueous solution of hydrogen fluoride of from about 0.1 to about 5 Normal at a temperature of from about 0.degree. C. to about 30.degree. C. for a time of less than about 60 minutes, contacting said hydrogen fluoride reacted zeolite with aluminum chloride vapor at a temperature of from about 100.degree. C. to about 850.degree. C., and converting said aluminum chloride contacted material to hydrogen form.
Dependencies are inferred from the claim text.