A mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting . SAG mills are primarily used at gold, copper and platinum mines with applications also in the lead, zinc, silver, alumina and nickel industries. Like ball mills, grinding steel balls or pebbles are often added to stirred mills to
Mar 17, 2017 The Tube Mill uses iron or steel balls as the grinding media, and liners of Tests run by Sylvanite Gold Mines in Canada have shown 13% to 25% more in closed circuit with a suitable classifier, using pebbles; wet grinding.
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