Process and apparatus for thermal cracking and fractionation of

Details Process and apparatus for thermal cracking and fractionation of Process and apparatus for thermal cracking and fractionation of

1982-09-23

1984-04-10

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 72, 208 92, 208106, C10G 5104, C10G 5504

Patent

active

044419899

ABSTRACT:
A method and apparatus for the thermal cracking and fractionation of petroleum heavy gas oil and simultaneously heavy crude oil feedstock below atmospheric pressure. The feedstock is fed to a fractionator after heat exchange with distillate fractions withdrawn from the fractionator. A heavy gas oil fraction is withdrawn from the fractionator, fed to a heater and subsequently to the top of a thermal cracking reactor, while the reduced or heavy crude stock is fed to the mid-section of the reactor. The cracked products are quenched with the feedstock and fed to the bottom flash zone of the fractionator. The process may also be applied to existing crude oil topping still with modifications and operated above atmospheric pressure.

REFERENCES:
patent: 2243291 (1941-05-01), Seguy
patent: 2395081 (1946-02-01), Williamson et al.
patent: 2495613 (1950-01-01), Tuttle
patent: 2507523 (1950-05-01), Houdry
patent: 3234118 (1966-02-01), Chen
patent: 3413211 (1968-11-01), Becraft et al.

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