Treatment of water-containing coal

Details Treatment of water-containing coal Treatment of water-containing coal

1980-06-27

1982-01-05

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

209173, 209182, C10L 132

Patent

active

043091920

ABSTRACT:
Disclosed is a process for the treatment of water-containing coal which comprises mixing the water-containing coal with a hydrocarbon oil having a specific gravity higher than that of water at temperatures in the range of 100.degree. to 350.degree. C.; heating the resulting mixture at a temperature in the range of 100.degree. to 350.degree. C. and a pressure not lower than the saturated vapor pressure of water at that temperature; and then allowing the heated mixture to settle at a temperature in the range of 100.degree. to 350.degree. C. and a pressure not lower than the saturated vapor pressure of water at that temperature, whereby an upper layer consisting of the water separated from the water-containing coal is formed on a lower layer consisting of the mixture of the dehydrated coal and the hydrocarbon oil.

REFERENCES:
patent: 2162200 (1939-06-01), Kiesskalt et al.
patent: 4018571 (1977-04-01), Cole et al.
patent: 4057399 (1977-11-01), Cole et al.
patent: 4156596 (1979-05-01), Capes et al.

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