Co-processing of straight run vacuum resid and cracked residua

Details Co-processing of straight run vacuum resid and cracked residua Co-processing of straight run vacuum resid and cracked residua

1985-07-02

1986-08-05

Metz, Andrew H.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208100, C10G 4732

Patent

active

046041850

ABSTRACT:
Vacuum resid and cracked residuum such as decant oil or thermal tar are processed together to reduce the ultimate yield of coke, asphalt and fuel oil. The vacuum resid is donor cracked, and the donor cracker effluent is quenched with decant oil or thermal tar and then fractionated. Fractionator bottoms are vacuum distilled, and vacuum tower overheads are hydrogenated to produce donor for the donor cracker.

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patent: 3928173 (1975-12-01), James
patent: 4002556 (1977-01-01), Satchell, Jr.
patent: 4115246 (1978-09-01), Sweany
patent: 4178229 (1979-12-01), McConaghy et al.

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