Method of treating heavy oil

Details Method of treating heavy oil Method of treating heavy oil

1982-09-09

1984-03-06

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With subsequent treatment of products

208106, C10G 5504

Patent

active

044352760

ABSTRACT:
In a method of treating heavy oil, in which a gas and a volatile oil fraction produced by thermally decomposing petroleum heavy oil are distilled off, a thermal decomposition residue withdrawn in the liquid state is brought into contact with a part of the volatile oil fraction as a solvent to extract the solven-soluble component in the thermal decomposition residue, and then an extraction residue is separated as solid particles from the solvent, an improvement is disclosed which comprises fractionating the volatile oil fraction used as the solvent into two or more sub-fractions having different boiling points from each other on condensing the volatile oil fraction in a fractionating column, and contacting the sub-fractions thus-fractionated with the thermal decomposition residue progressively from the highest boiling to the lowest boiling of the fractions to extract a solvent-soluble component.

REFERENCES:
patent: 2696458 (1954-12-01), Strickland
patent: 2717865 (1955-09-01), Kimberlin, Jr. et al.
patent: 2847353 (1958-08-01), Beavon
patent: 2850431 (1958-09-01), Smith
patent: 2875149 (1959-02-01), Beavon
patent: 2914457 (1959-10-01), Beavon
patent: 3053750 (1962-09-01), Beuther et al.
patent: 3194753 (1965-07-01), Winter

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