Gasoline production process

Details Gasoline production process Gasoline production process

1973-10-12

1976-01-20

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 79, 208 80, 208141, 26068368, C10G 3710

Patent

active

039336190

ABSTRACT:
A process for producing high octane low lead content or unleaded gasoline from a hydrocarbon feedstock by hydrocracking the hydrocarbon feedstock; fractionating the hydrocracking effluent in a fractionation zone, thereby obtaining a stream rich in singly branched hexanes; isomerizing the singly branched hexanes to doubly branched hexanes in an isomerization zone operated at a reaction temperature below 300.degree.F.; and combining the doubly branched hexanes with C.sub.7 + hydrocarbons derived from the hydrocracking effluent, thereby obtaining a high octane gasoline or gasoline blending stock. In a preferred embodiment, the isomerization zone effluent is fractionated to give a cyclohexane-rich stream which stream is catalytically reformed and then the reformate is combined with the doubly branched hexanes from the isomerization zone.

REFERENCES:
patent: 2956095 (1960-10-01), Schwartz
patent: 3394202 (1968-07-01), Oelderik et al.
patent: 3678120 (1972-07-01), Bloch
patent: 3788975 (1974-01-01), Donaldson

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