Process for reducing the bound water content of coal

Details Process for reducing the bound water content of coal Process for reducing the bound water content of coal

1984-08-07

1986-02-18

Castel, Benoit

Liquid purification or separation

Processes

Chemical treatment

44 1G, 34 14, 210771, F26B 300, C02F 172

Patent

active

045713006

ABSTRACT:
A process for reducing the water content of coal containing bound water by treating the coal at an elevated temperature and pressure in a de-watering zone in the presence of liquid water to remove liquid water from the coal and treating liquid water in the de-watering zone or liquid water removed from the coal or both by a wet air oxidation process.

REFERENCES:
patent: 4052168 (1977-10-01), Koppelman
patent: 4080176 (1978-03-01), Verschuur
patent: 4100730 (1978-07-01), Pradt
patent: 4211174 (1980-07-01), Martin et al.
patent: 4234423 (1980-11-01), Moore et al.
patent: 4312761 (1982-01-01), Gitchel
patent: 4338199 (1982-07-01), Modell
patent: 4400176 (1983-08-01), Kutta
patent: 4402706 (1983-09-01), Wunderlich
patent: 4486959 (1984-12-01), Chang

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