Grinding mixture and process for preparing a slurry therefrom

Details Grinding mixture and process for preparing a slurry therefrom Grinding mixture and process for preparing a slurry therefrom

1983-02-22

1984-10-16

Harris-Smith, Y.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

C10L 132

Patent

active

044772599

ABSTRACT:
A novel grinding mixture useful for preparing a solid-liquid slurry is disclosed. This grinding mixture contains from about 60 to about 82 volume percent of carbonaceous material (such as coal and/or coke), from about 18 to about 40 volume percent of carrier liquid (such as, e.g., water and/or oil), and from about 0.01 to about 4.0 weight percent of dispersing agent. The grinding mixture has a pH of from about 7 to about 12. There are at least two consists in the grinding mixture. From about 2 to about 50 weight percent of the particles in the grinding mixture have a median particle size of from about 0.5 to about 40 microns. From about 50 to about 98 weight percent of the particles in the grinding mixture have a median particle size in excess of 40 microns.
There is also provided a process for preparing a liquid-solid slurry wherein the grinding mixture is ground until a slurry is produced whose particle size distribution is in accordance with a specified "CPFT" formula.

REFERENCES:
patent: 4104035 (1978-08-01), Cole et al.
patent: 4282006 (1981-04-01), Funk

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