Process for making high octane gasoline

Details Process for making high octane gasoline Process for making high octane gasoline

1985-06-14

1986-06-10

Davis, Curtis R.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 63, 208 65, 208 66, C10G 5700

Patent

active

045941440

ABSTRACT:
A process for converting the naphtha fractions distilled from crude oil into greater volumes than heretofore of a gasoline product having higher octane number and a distillate stream of improved cetane number and smoke point by sending the lower boiling naphtha fraction directly to the gasoline pool and subjecting the higher boiling naphtha fraction to a mild reforming treatment, extracting the reformate to separate two streams, aromatics which are directed to the pool and paraffins which are sent to a splitter to separate the paraffin stream into fractions greater than C.sub.8 and a C.sub.8 or less fraction. The C.sub.8 or less fraction is cracked, thermally or catalytically and alkylated and/or polymerized before being directed to the gasoline pool. The fraction from the splitter containing hydrocarbons greater than C.sub.8 can be used in the distillate pool.

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patent: 3533938 (1970-10-01), Leas
patent: 3649520 (1972-03-01), Graven
patent: 3650943 (1972-03-01), Schuller
patent: 3658690 (1972-04-01), Graven
patent: 3726789 (1973-04-01), Kovach
patent: 3756940 (1973-09-01), Donaldson
patent: 3758401 (1973-09-01), Bridgeford et al.
patent: 3787314 (1974-01-01), Donaldson et al.
patent: 3788975 (1974-01-01), Donaldson

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