Process for producing a coal-water slurry

Details Process for producing a coal-water slurry Process for producing a coal-water slurry

1984-06-27

1986-09-23

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

44 51, 241 21, 241 22, 241 24, 241 29, 241 72, B02C 1912

Patent

active

046130845

ABSTRACT:
A process for producing a coal-water slurry having a high coal concentration (generally 60 to 80% by weight or more) and a lower viscosity, at a lower cost and with a smaller amount of dispersing agent added is provided, which process is directed to a process for producing a high concentration coal-water slurry by feeding coal, water and a dispersing agent into a wet, continuous ball mill and wet-milling them, characterized by feeding the dispersing agent in a multi-stage manner along the milling direction of coal within the ball mill.

REFERENCES:
patent: 2620987 (1952-12-01), Kennedy
patent: 2754067 (1956-07-01), Klugh
patent: 3117733 (1964-01-01), Cleeman
patent: 3459380 (1969-08-01), Kartman
patent: 3993252 (1976-11-01), Ito et al.
patent: 4288166 (1981-09-01), Nakabayashi et al.
patent: 4500041 (1985-02-01), Nakaoji et al.

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