Hydrocarbon conversion process

Details Hydrocarbon conversion process Hydrocarbon conversion process

1981-12-14

1983-06-14

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 50, 208 77, C10G 1105, C10G 5508

Patent

active

043881750

ABSTRACT:
A process for the production of highly aromatic petroleum fractions from various petroleum feedstocks suitable for catalytic cracking in a fluidized catalytic cracking unit wherein heavy gas oil from a first fluidized catalytic cracking unit is subjected to further catalytic cracking in a separate fluid catalytic cracking unit at temperatures in the range of 565.degree. to 650.degree. C. producing light olefins and a heavy gas oil consisting of essentially aromatic components suitable for the production of needle coke, and the method of producing needle coke from various hydrocarbon cracking stocks.

REFERENCES:
patent: 2775549 (1956-12-01), Shea
patent: 2871182 (1959-01-01), Weekman
patent: 2963416 (1960-12-01), Ward et al.
patent: 3775294 (1973-11-01), Peterson et al.
patent: 3891538 (1975-06-01), Walkey
patent: 4312742 (1982-01-01), Hayashi

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