Mineral oils: processes and products – Asphalts – tars – pitches and resins; making – treating and... – By chemical conversion of oil
Patent
1975-05-01
1977-03-29
Levine, Herbert
Mineral oils: processes and products
Asphalts, tars, pitches and resins; making, treating and...
By chemical conversion of oil
201 23, 208126, 423449, C10B 5500, C10G 900
Patent
active
040147819
ABSTRACT:
A method for producing pitch and coke which comprises heating a starting oil material in the presence of a powdery carbonaceous substance at a temperature of 350.degree. to 600.degree. C under an increased pressure of at least 2 kg/cm.sup.2 gauge to produce pitch, coke and oil and separating the pitch and coke from the oil, said starting oil material being distillation residue of crude oil having a Conradson carbon residue of 1 to 25 weight percent and containing 20 to 80 weight percent of substances boiling at a temperature of at least 600.degree. C and less than 10 weight percent of substances boiling at a temperature lower than 350.degree. C, said powdery carbonaceous substance having a Conradson carbon residue of at least 50 weight percent and being added to the starting oil material in such an amount that Conradson carbon residue of the carbonaceous material is in the range of one-tenth to ten times that of the starting oil material.
REFERENCES:
patent: 2717865 (1955-09-01), Kimberlin et al.
patent: 3190812 (1965-06-01), Puls
patent: 3355377 (1967-11-01), King
patent: 3373101 (1968-03-01), Folkins et al.
Levine Herbert
Osaka Gas Company Ltd.
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