Iron ore beneficiation equipment - 0 views
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gloriazhao on 30 Dec 13The extract the metal from ores, several physical and chemical methods are used. The method used depending upon chemical properties and nature of the ore from which it is to be extracted. It involves four main steps: 1. Crushing and grinding of the ore. 2. Concentration or dressing of the ore. 3. Reduction to free metal. 4. Purification or refining of the metal.