Ore grinding process containing copolymer grinding aids

Details Ore grinding process containing copolymer grinding aids Ore grinding process containing copolymer grinding aids

1977-11-21

1979-01-30

Arnold, Donald J.

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

51298R, B02C 2318

Patent

active

041368304

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 copolymers or salts of copolymers of styrene with maleic anhydride, itaconic or citraconic acids dispersible in the liquid medium, 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.
"Chem. Enhancement of Ore Grinding Efficiency," Hartley et al. Batelle, Pacific NW Laboratories, Presented at Vail, Cob., Aug. 1976.
"Computer Methods in Mineral Industries," R. Klimpel et al., Oct. 1976, at Penn State University.

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