Ore grinding process including a grinding aid of an anionic poly

Details Ore grinding process including a grinding aid of an anionic poly Ore grinding process including a grinding aid of an anionic poly

1978-08-11

1981-06-23

Arnold, Donald J.

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

51298, 51306, 51316, B02C 2318

Patent

active

042745993

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 dispersible in the liquid medium and having a hydrocarbon backbone and a plurality of pendant anionic groups, said grinding aid being present in an amount effective to provide increased grinding efficiency.

REFERENCES:
patent: 2740522 (1956-04-01), Almone et al.
patent: 2905565 (1959-09-01), Dietz
patent: 3104068 (1963-09-01), Castelli
patent: 3534911 (1970-10-01), Gwilliam
patent: 3542575 (1970-11-01), Nelson
patent: 3549091 (1970-12-01), Slepetys
patent: 3604634 (1971-09-01), Windle
patent: 3686111 (1972-08-01), Makhlouf et al.
patent: 3923717 (1975-12-01), Lalk et al.
patent: 4136830 (1979-01-01), Manfroy et al.
patent: 4162044 (1979-07-01), Manfroy et al.
"Chem. Enhancement of Ore Grinding Effiency," Hartley et al, Aug. 5-7, 1976, Pacific N.W. Laboratories, Vail, Colo.
"Crushing and Grinding," Lowrison, pp. 106-110, 1974, CRC Press Inc., Cleveland, Ohio.
"Computers and Operations Research in Mineral Industry", Manfroy et al., Oct. 4-8, 1976, 14 Int. Symposium.

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