METHOD OF DRESSING IRON-BEARING ORES Russian patent published in 2012 - IPC B03C1/00 

FIELD: process engineering.

SUBSTANCE: invention relates to ore dressing and may be used in mining and metallurgy. Proposed method comprises three stages of crushing, wet magnetic separation of crushed products of every said stage to obtain middling, final tailings and concentrate by wet magnetic separation after final stage of crushing. Middling is classified to obtain fine and coarse products. Coarse product is crushed at second stage and concentrated to obtain coarse middling and final tailings. Coarse middling is crushed at third stage and concentrated to produce concentrate and final tailings.

EFFECT: higher quality and reduced production costs.

6 cl, 8 dwg, 2 tbl