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

1977-11-21

1978-11-21

Arnold, Donald J.

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

51298R, B02C 2318

Patent

active

041262778

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 sulfonated polystyrene or sulfonated polyvinyl toluene or an anionic polyelectrolyte derived therefrom and dispersible in the liquid medium, said grinding aid being present in an amount effective to provide increased grinding efficiency.

REFERENCES:
patent: 2709661 (1955-05-01), Dietz
patent: 2783137 (1957-02-01), Roth
patent: 3104068 (1963-09-01), Castelli et al.
patent: 3549091 (1970-12-01), Slepetys
patent: 3604634 (1971-09-01), Windle
patent: 3923717 (1975-12-01), Lalk
patent: 3949051 (1976-04-01), Pawlek
patent: 3950182 (1976-04-01), Steel et al.
patent: 3989195 (1976-11-01), Steward
"Chem. Enhancement of Ore Grinding Efficiency", Hartley et al., Battelle, Pacific N.W. Laboratories, Aug. 6, 1976, Vail, Colo.
"Crushing and Grinding", Lowrison, pp. 106-110, 1974, CRC Press Inc., Cleveland, Ohio.
"Computers and Operations Research in Mineral Industries", R. Klimpel et al., Oct. 4, 1976, 14th Int. Symposium.

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