EFFECTIVE PROCESSING OF LOW-GRADE IRON ORE … - Combination of gravity concentration variables to increase the
Silver ore: 2.7: Slag: 2.83: 2.74: 2.85: Slag iron blast furnace: 2.39: Slate: 2.57: 2.57: 2.57: Sodium silicate: 2.1: 2.1: Spodumene ore: 2.79: 2.79: Steel mill nerup: Syenite: 2.73: 2.73: …A later example was the Cornish stamps, consisting of a series of iron hammers mounted in a vertical frame, raised by cams on the shaft of a waterwheel and falling onto the ore under gravity. The simplest method of separating ore from gangue consists of picking out the individual crystals of each. This is a very tedious process, particularly ...
