7. metal extraction - The Student Roomor copper can be extracted from copper(I) sulphide. Cu2S + 2O2 → 2CuO + . The CuO comes from the thermal decomposition of malachite. CuCO3→ CuO +.extraction of copper from malachite,EXTRACTION OF COPPEREXTRACTION OF COPPER. IMPORTANT ORES OF. COPPER. Copper pyrite or chalcopyrite (CuFeS2). Chalocite (Cu2S) or copper glance. Malachite green.A Multistage Sulphidisation Flotation Procedure for a . - CiteSeerXsolution using solvent extraction and electrowinning technologies. . copper carbonate, sulphate, phosphate, and oxide minerals and secondary sulphide.
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