Process for grinding coal or ores in a liquid medium

Details Process for grinding coal or ores in a liquid medium Process for grinding coal or ores in a liquid medium

1978-08-11

1979-07-24

Arnold, Donald J.

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

51298, B02C 2318

Patent

active

041620445

ABSTRACT:
A process for grinding coal or ores containing metal values comprising carrying out said grinding in a liquid medium and with a grinding aid comprising an anionic polyelectrolyte derived from polyacrylic acid and dispersible in the liquid medium, said grinding aid being present in an amount effective to provide increased grinding efficiency.

REFERENCES:
patent: 2905565 (1959-09-01), Dietz et al.
patent: 3104068 (1963-09-01), Castelli
patent: 3252662 (1966-05-01), Lyons et al.
patent: 3534911 (1970-10-01), Gwilliam
patent: 3604634 (1971-09-01), Windle
patent: 3648937 (1972-03-01), Ehrreich
patent: 3756979 (1973-09-01), Ventres
patent: 3934825 (1976-01-01), Delfosse
patent: 3950182 (1976-04-01), Steel et al.
patent: 3989195 (1976-11-01), Steward
"Chem. Enhancement of Ore Grinding Efficiency," Hartley et al., Battele, Pacific NW Laboratories, Aug. 1976, Vail, Colo.
"Crushing and Grinding," G. C. Lowrison, pp. 106-110, 1974, CRC Press Inc., Cleveland, Ohio.
"Computers and Operations Research in Mineral Industries" R. Klimpel et al., Oct. 1976, 14th International Symposium.

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