Hydroconversion of heavy oils

Details Hydroconversion of heavy oils Hydroconversion of heavy oils

1985-07-01

1986-08-19

Hearn, Brian E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208112, C10G 6510

Patent

active

046068090

ABSTRACT:
High yields of desired distillate oil are obtained by subjecting heavy oil to catalytic conversion with hydrogen at superatmospheric pressure in a temperature staged process, wherein the oil-catalyst slurry is subjected in the initial stage to a temperature in the range of 780.degree.-825.degree. F. (415.degree.-440.degree. C.) and in a subsequent stage to a temperature which is at least 20.degree. F. higher than that employed in the previous stage, preferably in the range of 800.degree.-860.degree. F. (.about.425.degree.-460.degree. C.).

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