11.23 Taconite Ore Processing
Prior to grinding, the ore is dry-crushed in up to six stages, depending on the hardness of the ore. One or two stages of crushing may be performed at the mine prior to shipping the raw material to ... AE Grate/kiln, coke-fired, acid pellets 3-03-023-55 AF Grate/kiln, coke-fired, flux pellets 3-03-023-56 AG Grate/kiln, coke- and coal-fired ...
