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Iron is removed from chalcopyrite as?

Iron is removed from chalcopyrite as?

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Sunil Kumar FP
askIITians Faculty 183 Points
9 years ago
Copper is the most noble of the first row transition metals and occurs in small deposits in several countries. Ores ofcopper include chalcanthite (CuSO4 .5H2O),atacamite(Cu2cl(OH)3), cuprite ( Cu2O), copper glance (Cu2S)and malachite ( Cu2(OH)2CO3).However, 80% of the world copper production comes from the ore of chalcopyrite (CuFeS2). The extraction of copper from chalcopyrite involves partial roasting, removal of iron and self-reduction.

Iron is removed from chalcopyrite as
Feo +SiO2 -----FeSiO3

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