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U.S. Department of Energy
Office of Scientific and Technical Information

Method for treating petroleum heavy oil

Patent ·
OSTI ID:5527452
A method is provided for producing cracked oil with a higher yield and coke having a higher fixed carbon content from petroleum heavy oil or tar sand bitumen or crude shale oil in a short time. Th method is characterized by subjecting a petroleum heavy oil or tar sand bitumen or crude shale oil heat treatment together with at least one additive selected from the group consisting of metal salt of dialkyldithiocarbamic acids, diaryldithiocarbamic acids, alkylxanthogenic acids, arylxanthogenic acids, dialkyldithiophosphoric acids, diaryldithiophosphoric acids, organic phosphoric acid esters benzothiazoles and disulfides.
Assignee:
Daikyo Oil Company Ltd. (Japan)
Patent Number(s):
US 4399024
OSTI ID:
5527452
Country of Publication:
United States
Language:
English