Chemistry of hydrocarbon compounds – Plural serial diverse syntheses – With hydrocarbon effluent stream splitting for recycle to...
Patent
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.
Schliebener Claus
Wernicke Hans J.
Gantz Delbert E.
Linde Aktiengesellschaft
Schmitkons G. E.
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