Special conditions for the hydrogenation of heavy hydrocarbons

Details Special conditions for the hydrogenation of heavy hydrocarbons Special conditions for the hydrogenation of heavy hydrocarbons

1980-10-16

1982-04-13

Gantz, Delbert E.

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

With hydrocarbon effluent stream splitting for recycle to...

208 57, 208 61, 208108, 208143, 585315, 585324, 585430, 585648, 585650, C10G 4700, C10G 6700

Patent

active

043249353

ABSTRACT:
For thermally cracking heavy liquid hydrocarbons to produce gaseous olefins comprising a catalytic hydrogenating pretreatment, a separation of the hydrogenation product into a lighter fraction and a heavier fraction; passing the heavier fraction at least in part to a thermal cracking step to produce normally gaseous olefins; and withdrawing the lighter fraction, the improvement wherein the hydrogenation is conducted within the shaded area of FIG. 2, whereby said lighter fraction has a higher octane number.

REFERENCES:
patent: 4179474 (1979-12-01), Beuther et al.
patent: 4181601 (1980-01-01), Sze
patent: 4188281 (1980-02-01), Wernicke et al.
patent: 4216077 (1980-08-01), Chahvekilian et al.
patent: 4260474 (1981-04-01), Wernicke et al.

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