Thermal treated coal, and process and apparatus for preparing th

Details Thermal treated coal, and process and apparatus for preparing th Thermal treated coal, and process and apparatus for preparing th

1994-12-27

1996-09-10

McAvoy, Ellen M.

Fuel and related compositions

Coal treating process or product thereof

Removal of undesirable

44282, 44621, C10L 132, C10L 900

Patent

active

055542018

ABSTRACT:
Thermal treated coal which has a water content of not more than 10%, which has pores with an oil adsorbed onto and impregnated into the pore surface, and which is decarboxylated and dehydrated to have a reduced porosity is provided. In its manufacture, porous coal and an oil are mixed to prepare a slurry, and the slurry is heated for effecting slurry dewatering. During the slurry dewatering, oil is adsorbed onto the surface of the pores of the porous coal. Subsequently, the slurry is heated for refining, followed by a solid-liquid separation at the final stage.

REFERENCES:
patent: 4057399 (1977-11-01), Cole et al.
patent: 4309192 (1982-01-01), Kubo et al.
patent: 4514912 (1985-05-01), Janusch et al.
patent: 4769042 (1988-09-01), Ito et al.
patent: 5035721 (1991-07-01), Atherton
patent: 5256169 (1993-10-01), Roe

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