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Copper Pyrites Is An Ore Of

copper mining and extraction sulfide ores,about 200 years ago the uk was an important world source of copper and tin and there were mines in cornwall and devon. these mines have now closed and today the biggest copper mines are in chile (escondida mine) and indonesia (grasberg mine). these produce many millions of tonnes of copper ore per year. the main ores of copper are sulfides and.copper pyrites is an ore of copper. (i) describe the,copper pyrites are concentrated by froth flotation process. in this process slurry of finely divided ore is taken in a large tank. pine oil or eucalyptus oil is used as the frothing agent. ethyl xanthate is added which is used as a collector (it increases the binding force between ore particles and forth)..pearson edexcel international gcse chemistry,7 copper pyrites is an ore of copper that contains copper, iron and sulfur. (a) the percentage composition by mass of copper pyrites is cu 34.60% fe 30.52% s 34.88% show, by calculation, that the empirical formula of copper pyrites is cufes 2 (3) (b) copper is obtained from copper pyrites in a two-stage process..extraction of copper from copper pyrites (cufes2,copper is extracted from its principal ore copper pyrites (cufes 2). the ore is concentrated by froth flotation process. the concentrated ore is roasted in a reverberatory furnace when the following reactions occur. 1. the volatiles like sulphur and arsenic escape as gases s + o 2-----> so 2 4as + 3o 2----.

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