FIELD: gasoline production.
SUBSTANCE: integrated method for the production of gasoline is described. The method includes separating naphtha feed in a naphtha separation column into a light fraction stream containing C6 and lighter boiling hydrocarbons, a C7 stream containing C7 hydrocarbons, and a heavy fraction stream containing С8 and heavier hydrocarbons; includes a C5–C6 isomerization zone, two C7 isomerization zones separated by a deisoheptanization column, and a reforming zone for heavy fraction С8 and heavier hydrocarbons; mixing one or more of: at least a portion of a C5–C6 isomerization product, a first stream from a deisoheptanization column, at least a portion of a second C7 isomerization product, or a reformate to form a gasoline compound.
EFFECT: flexible method for producing gasoline with an increased fraction with RONC number 95.
10 cl, 2 dwg, 3 tbl, 4 ex
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