Process for utilizing petroleum residuum

Details Process for utilizing petroleum residuum Process for utilizing petroleum residuum

1978-10-26

1979-11-27

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 56, C10G 914, C10G 3702

Patent

active

041760468

ABSTRACT:
A petroleum refinery vacuum residuum stream is subjected to hydrogen donor diluent cracking, the liquid cracking effluent is hydrodesulfurized, the hydrodesulfurizer effluent is fractionated, and the fractionator bottoms stream is fed to a delayed coker where premium type delayed coke is produced. The gas oil boiling range fraction from the fractionator is utilized as the donor diluent in the cracking step.

REFERENCES:
patent: 2703780 (1955-03-01), Voorhies
patent: 2772221 (1956-11-01), Stewart et al.
patent: 2775549 (1956-12-01), Shea
patent: 2922755 (1960-01-01), Hackley
patent: 2953513 (1960-09-01), Langer
patent: 3238118 (1966-03-01), Axey et al.
patent: 4090947 (1978-05-01), Satchell

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