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Table 4

Chemical composition results of laterite ore calcined at different temperatures and reduced under optimal reduction conditions (unit: mass %).

Calcining Temp. (K) TNi Ni TFe FeO Ni Grade Ni recovery
673 1.43 1.29 47.9 46.0 > 30 90.2
873 1.44 1.05 47.9 46.2 > 30 72.9
1173 1.26 0.99 47.7 52.6 22.1 78.6

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