Coal liquefaction process

Details Coal liquefaction process Coal liquefaction process

1983-12-16

1985-11-05

Gantz, D. E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

208 8LE, 208 11LE, C10G 106, C10G 100

Patent

active

045512248

ABSTRACT:
Process for liquefying coal or similar liquefiable carbonaceous solids in which the liquefaction solvent is a hydrotreated solvent mixture that is derived in the process. The solvent mixture comprises at least 78 wt. % decalin, comprising cis and trans decalin. The cis-isomers comprise at least 80 wt. % of the total weight of the decalin. The solvent mixture may also include about 0-2 wt. % of naphthalene, about 0-5 wt. % of a constituent comprising the mono and/or di methyl derivative of at least one of the other constituents in the mixture, and tetralin comprising the remainder, e.g., about 1-22 wt. %.

REFERENCES:
patent: 3477941 (1969-11-01), Nelson
patent: 3505203 (1970-04-01), Nelson
patent: 4097361 (1978-08-01), Ashworth
patent: 4189371 (1980-02-01), Maa
patent: 4191700 (1980-03-01), Lebowitz et al.
patent: 4227989 (1980-10-01), Gorbaty et al.
patent: 4437974 (1984-03-01), Minami et al.
patent: 4440622 (1984-04-01), Derbyshire et al.
patent: 4452688 (1984-06-01), Mitchell et al.

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