Process for upgrading residuums by combined donor visbreaking an

Details Process for upgrading residuums by combined donor visbreaking an Process for upgrading residuums by combined donor visbreaking an

1985-11-06

1986-08-05

Metz, Andrew H.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 56, 208131, 208127, C10G 5504

Patent

active

046041869

ABSTRACT:
A process for upgrading petroleum residuums by hydrogen diluent donor visbreaking employs coking of a higher boiling fraction of the visbreaker effluent wherein the hydrogen donor is also supplied to the coker feed either by excess feed to the visbreaker or by mixing a portion with the coker feed. Controlling the quantity of hydrogen donor in the visbreaker and coker feed proportionally controls the quantity of coke produced.

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