Mineral oils: processes and products – Phenolic or toxic oils
Patent
1975-11-17
1977-08-09
Wyman, Daniel E.
Mineral oils: processes and products
Phenolic or toxic oils
C10G 104
Patent
active
040409414
ABSTRACT:
A process for liquefying coal to produce liquid fuel and pitch-like substes suitable as starting materials for various carbonaceous materials, which process comprises incorporating powdery coal with a heavy oil of petroleum series having a high carbon content of at least 0.9 in terms of the atomic ratio C/H in an amount of at least 50 parts by weight per 100 parts of the powdery coal, subjecting the mixture to a heat treatment conducted at 320.degree.-400.degree. C for 0.5-10 hours thereby liquefying the coal.
REFERENCES:
patent: 1561322 (1925-11-01), Goskar
patent: 3642608 (1972-02-01), Roach et al.
Honda Hidemasa
Kakiyama Hitoo
Yamada Yasuhiro
Daniel William J.
Director-General of the Agency of Industrial Science and Technol
Harris-Smith Mrs. Y.
Wyman Daniel E.
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