Selective upgrading of naphtha

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Plural parallel stages of chemical conversion

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208 78, 208 80, 208 63, 208 64, 208 65, C10G 5906, C10G 6306

Patent

active

054013887

ABSTRACT:
A process combination is disclosed to selectively upgrade naphtha to obtain gasoline which is in accordance with current standards for reformulated fuels. A naphtha feedstock is fractionated to selectively direct light naphtha to isomerization or blending, a head-cut fraction to reforming, and a heavy potion to selective isoparaffin synthesis to yield light and heavy synthesis naphtha and isobutane. The heavy potion of the synthesis naphtha is processed by reforming. Light naphtha may be isomerized, with or without recycle of low-octane components of the product. A gasoline component is blended from light, synthesis, and reformate products from the process combination.

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