Treatment of middlings

Details Treatment of middlings Treatment of middlings

B - Operations, Transporting

02

C

241/142

B02C 23/08 (2006.01) B02C 17/16 (2006.01)

Patent

CA 1286272

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 k80 = 100 µm. There are used grinding bodies having originally a size of from 2 to 12 mm.

563166

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