Process for production of ethylene glycol and dimethyl carbonate
AssigneeTexaco Inc.
InventorsRoger G. Duranleau, Edward C. Y. Nieh, John F. Knifton
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Abstract
A process is disclosed for the preparation of ethylene glycol and dimethyl carbonate by reacting methanol and ethylene carbonate in the presence of a series of heterogenous catalyst systems including ion exchange resins with tertiary amine, quaternary ammonium, sulfonic acid and carboxylic acid functional groups, alkali and alkaline earth silicates impregnated into silica and ammonium exchanged zeolites.
Claims11
A process for producing ethylene glycol and dimethyl carbonate by reacting ethylene carbonate and methanol in the presence of a heterogeneous catalyst selected from the group consisting of ion exchange resins with quaternary ammonium functional groups, ion exchange resins with sulfonic, acid functional groups, ion exchange resins with carboxylic acid functional groups, alkali and alkaline earth silicates impregnated into silica, and ammonium exchanged zeolites, at a temperature of 0.degree. to 150.degree. C. until the desired products are formed.
Dependencies are inferred from the claim text.