FIELD: petrochemical processes. SUBSTANCE: high-octane gasoline components are produced via the interaction of methanol with C4-C6-hydrocarbon fractions containing 10-90 wt % of diene C4-C5- hydrocarbons at weight ratio of diene hydrocarbons to tertiary C4-C6- olefins (0.5-10):1 and molar ratio of methanol to (tertiary olefins plus diene hydrocarbons) (0.5-1.5):1. Final product is isolated on one or two rectification columns. EFFECT: reduced production cost. 2 cl, 1 dwg, 1 tbl
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Authors
Dates
1998-08-10—Published
1996-09-02—Filed