Treatment of middlings

Details Treatment of middlings Treatment of middlings

1988-03-29

1989-08-29

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 24, 241 29, 241184, 241172, B02C 1716

Patent

active

048609579

ABSTRACT:
Regrinding of middlings in a mineral-product dressing process of the kind in which the middlings are reground in order to crush individual half-grains and release valuable mineral therefrom, is carried out in a mill using an agitated grinding medium. The middlings are reduced to a particle size which is smaller than k.sub.80 =100 mm. There are used grinding bodies having originally a size of from 2 to 12 mm.

REFERENCES:
patent: 2877954 (1959-03-01), Myers
patent: 3148838 (1964-09-01), Cavanagh
patent: 3502271 (1970-03-01), Hays
patent: 3998938 (1976-12-01), Szegvari

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