Process for producing high-crystalline petroleum coke

Details Process for producing high-crystalline petroleum coke Process for producing high-crystalline petroleum coke

1975-09-15

1977-09-20

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208125, 208131, C10G 914

Patent

active

040495388

ABSTRACT:
A high-crystalline petroleum coke is produced from low-sulfur petroleum feedstock such as virgin crude oil, distillation residuum and cracked residium by subjecting the feedstock to preheat treatment under specific conditions to effect cracking and soaking thereof, subjecting the preheat-treated feedstock to flash distillation to remove non-crystalline substances contained therein as pitch and to recover distillate, fractionating the distillate to provide a heavy residue and subjecting the heavy residue to a delayed coking under specific conditions to produce the desired coke which has a coefficient of thermal expansion of less than 1.0 .times. 10.sup.-6 /.degree. C over 100.degree.-400.degree. C.

REFERENCES:
patent: 2182599 (1939-12-01), Seguy
patent: 2271097 (1942-01-01), Ruthruff et al.
patent: 2873244 (1959-02-01), Hemminger
patent: 3472761 (1969-10-01), Cameron
patent: 3687840 (1972-08-01), Sze et al.
patent: 3803023 (1974-04-01), Hamner

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