Integration of short-contact-time liquefaction and critical solv

Details Integration of short-contact-time liquefaction and critical solv Integration of short-contact-time liquefaction and critical solv

1982-06-23

1984-04-03

Wright, William G.

Mineral oils: processes and products

Phenolic or toxic oils

585733, 585640, 518703, C10G 100, C07C 100

Patent

active

044406223

ABSTRACT:
Coal is processed by liquefying the coal with a hydrogen-donor solvent under a short-contact-time liquefaction, separating the coal liquid effluent into liquid phases of distinct polarity and an undissolved coal residue, upgrading a portion of the liquid phase, gasifying the residue and high polarity coal liquid to produce a synthesis gas which is used to form methanol. The methanol is catalytically converted to gasoline products. Solvents for liquefaction and effluent separation can be derived from the upgraded liquid phase, methanol and gasoline products. Hydrogen for liquefaction, methanol synthesis and upgrading is derived from the synthesis gas.

REFERENCES:
patent: 3507777 (1970-04-01), Hemminger
patent: 4075079 (1978-02-01), Long
patent: 4076761 (1978-02-01), Chang et al.
patent: 4138442 (1979-02-01), Chang et al.
patent: 4159237 (1979-06-01), Schmid
patent: 4191700 (1980-03-01), Lebowitz et al.
patent: 4222845 (1980-09-01), Schmid
patent: 4222846 (1980-09-01), Schmid
patent: 4331529 (1982-05-01), Lambert et al.
"Critical Solvent Deashing of Liquefied Coal", Adams et al., Kerr-McGee Corp., OK City, OK, 1979 AICHE.

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