A zinc concentrate analyzing 68% ZnS, 4% PbS, 2% CdS, 5% FeS, 4% FeS2, 10% SiO2 and 7% H2O is roasted in fluid-bed roaster. The roasted product contains CdO, Fe2O3, PbO, PbSO4, SiO2, ZnO and ZnO.Fe2O3. Lead is evenly distributed between PbO and PbSO4. Find: (a) The theoretical air requirement
A zinc concentrate analyzing 68% ZnS, 4% PbS, 2% CdS, 5% FeS, 4% FeS2, 10% SiO2 and 7% H2O is roasted in fluid-bed roaster. The roasted product contains CdO, Fe2O3, PbO, PbSO4, SiO2, ZnO and ZnO.Fe2O3. Lead is evenly distributed between PbO and PbSO4. Find: (a) The theoretical air requirement
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