Combination visbreaking and hydrorefining with recycle of hydror

Details Combination visbreaking and hydrorefining with recycle of hydror Combination visbreaking and hydrorefining with recycle of hydror

1983-02-25

1984-07-31

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 68, 208 73, 208 76, 208211, C10G 6512, C10G 6906

Patent

active

044628951

ABSTRACT:
A heavy hydrocarbon oil comprising constituents boiling above 1050.degree. F. is upgraded by a combination visbreaking or hydrovisbreaking and hydrorefining process in which at least a portion of the hydrorefined bottoms fraction is recycled to the visbreaking zone. The hydrorefining zone is operated at conditions to convert at least a portion of the 1050.degree. F..sup.+ constituents to lower boiling hydrocarbons.

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