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how do you e tract nickel mining in rwanda

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how do you e tract nickel mining in rwanda

Nickel requires higher smelting temperatures in the range of 1350 °C 2460 °F in order to produce an artificial nickeliron sulfide known as matte which contains 25 to 45 percent nickel In the next step iron in the matte is converted to an oxide which combines with a silica flux to form a slag

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