Document Type and Number:
Japanese Patent JPS6324033
Kind Code:
B2
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.
Inventors:
JEEMUSU RICHAADO MATSUKONAFUI
Application Number:
JP13784779A
Publication Date:
May 19, 1988
Filing Date:
October 26, 1979
Export Citation:
Assignee:
CONOCO INC
International Classes:
C10B57/04; C10G47/34; C10G69/06