FIELD: gasoline production.
SUBSTANCE: invention relates to an integrated method for the production of gasoline. 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 C8 and heavier hydrocarbons; isomerizing at least a portion of the light stream from the naphtha separation column in the C5-C6 isomerization zone under isomerization conditions to form a C5-C6 isomerization product and deisohexanizing at least a portion of the product; two C7 isomerization zones separated by a deisoheptanization column and a C8 and heavier hydrocarbon reforming zone; mixing one or more of: a first stream from a deisohexanizer, a first stream from a deisoheptanizer, a second C7 isomerization product, or a reformate to form a gasoline compound.
EFFECT: flexible method for obtaining gasoline with an increased fraction with the RONC number of 95.
10 cl, 4 dwg, 2 tbl, 4 ex
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