Liquefaction of acid treated coal

Details Liquefaction of acid treated coal Liquefaction of acid treated coal

1979-08-17

1981-03-24

0'Keefe, Veronica

Mineral oils: processes and products

Phenolic or toxic oils

208 10, C10G 100

Patent

active

042578698

ABSTRACT:
Preliminary extraction of coal with mineral acid changes the course of coal liquefaction in a solvent under hydrogen pressure. At short reaction periods, yields of high boiling fuel product is enhanced.

REFERENCES:
patent: 363155 (1943-04-01), Juettner
patent: 1280178 (1918-10-01), Day
patent: 2141615 (1938-12-01), Patt
patent: 2221410 (1940-11-01), Pier
patent: 3700583 (1972-10-01), Salamony et al.
patent: 3926575 (1975-12-01), Meyers
patent: 4133740 (1979-01-01), Paraskos et al.
patent: 4148716 (1979-04-01), Paraskos

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