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Processing Zinc From Its Ore

Oct 15 2019nbsp018332The chief Ore of zinc is zinc blende The extraction of zinc from zinc blende involves the following stepsConcentration The ore is crushed and then concentrated by froth floatation ProcessRoasting The concentrated ore is then roasted in the presence of excess of air at about 1200k 2ZnS 3O2 2ZnO 2SO2 Reduction Zinc oxide is mixed with powdered coke and heated to

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