Mineral oils: processes and products – Phenolic or toxic oils
Patent
1978-01-09
1980-05-13
Levine, Herbert
Mineral oils: processes and products
Phenolic or toxic oils
44 1B, 208131, 423448, 423449, C10G 104
Patent
active
042027560
ABSTRACT:
A process is disclosed for the production of solvent-refined coal useful as a starting material for micromosaic carbonaceous products and having an O/C atomic ratio of 0.040 to <0.046, or useful as a starting material for coarse mosaic carbonaceous products and having an O/C atomic ratio of 0.030 to <0.040 or useful as a starting material for needle like carbonaceous products and having an O/C atomic ratio of less than 0.030. The process comprises dissolving in a hydrocarbon solvent a coal intrinsically having an O/C atomic ratio of 0.030 to <0.055 or a coal pretreated with a solvent, under hydrogen pressure, so as to have an O/C atomic ratio of 0.030 to <0.055, and heating the resultant coal solution under a pressure of hydrogen for a period of time sufficient to form said solvent-refined coal.
REFERENCES:
patent: 2686152 (1954-08-01), Franke
patent: 3932266 (1976-01-01), Sze et al.
patent: 4029749 (1977-06-01), Murakami
patent: 4045187 (1977-08-01), Brink et al.
Fukuda Kenji
Murakami Hisashi
Ohnishi Noriaki
Ohtsubo Toshikatsu
Levine Herbert
Mitsui Coke Co. Ltd.
Mitsui Mining Co. Ltd.
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