Mineral oils: processes and products – Phenolic or toxic oils
Patent
1976-02-02
1977-08-02
Gantz, Delbert E.
Mineral oils: processes and products
Phenolic or toxic oils
208 50, C10G 106
Patent
active
040394263
ABSTRACT:
Process for producing fluid fuel from coal using a hydrogen-donor solvent as an extractant. Moisture-free, preheated coal in particulate form is contacted in a drum with hot solvent to extract the hydrocarbons therefrom. Subsequently, the pressure is released to vaporize the solvent and at least a portion of the hydrocarbons extracted. The temperature of the mass in the drum is then raised under conditions required to crack the hydrocarbons in the drum and to produce, after subsequent stripping, a solid coke residue. The hydrocarbon products are removed and fractionated into several cuts, one of which is hydrotreated to form the required hydrogen-donor solvent while other fractions can be hydrotreated or hydrocracked to produce a synthetic crude product. The heaviest fraction can be used to produce ash-free coke especially adapted for hydrogen manufacture. The process can be made self-sufficient in hydrogen and furnishes as a by-product a solid carbonaceous material with a useful heating value.
REFERENCES:
patent: 2221410 (1940-11-01), Pier
patent: 2686152 (1954-08-01), Franke
patent: 3018242 (1962-01-01), Gorin
patent: 3117921 (1964-01-01), Gorin
patent: 3503864 (1970-03-01), Nelson
patent: 3518182 (1970-06-01), Peterson
patent: 3733183 (1973-05-01), Singh
Arthur D. Little Inc.
Gantz Delbert E.
Hellwege James W.
Lepper Bessie A.
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