100 kg of roasted zinc ore with composition: 66% ZnO, 3% ZnS, 10% PbO, 14% Fe2O3, 1% Al2O3, 6% SiO2 is reduced in a horizontal retort furnace with 45 kg coke having 90% C and 10% SiO2. In the furnace 91% of ZnO is reduced to Zn 100% of PbO is reduced to Pb 75 % of Fe3O4 is reduced to Fe, 25 % of Fe3O4 is reduced to FeO Neglect the vaporization of Pb and Fe and accept that they will not reoxidize. 1. Determine the weight of zinc and the percentage of zinc gained from the ore. 2. Determine the theoretical weight of C required for the reduction of ZnO and the percentage of the excess C. 3. Determine the weight and the percentage of the residual material in the retort furnace after the removal of zinc vapor. 100 kg of roasted zinc ore with composition: 66% Zno, 3% ZnS, 10% PbO, 14%Fe203, 1% Al203, 6% SiO2 is reduced in a horizontal retort furnace with 45 kgcoke having 90% C and 10% SiO2.In the furnace91% of ZnO is reduced to Zn100% of PbO is reduced to Pb75 % of Fe3O4 is reduced to Fe, 25 % of Fe304 is reduced to FeONeglect the vaporization of Pb and Fe and accept that they will not reoxidize.1. Determine the weight of zinc and the percentage of zinc gained from theore.2. Determine the theoretical weight of C required for the reduction of Znoand the percentage of the excess C.3. Determine the weight and the percentage of the residual material in theretort furnace after the removal of zinc vapor.

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Answered: 100 kg of roasted zinc ore with…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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100 kg of roasted zinc ore with composition: 66% ZnO, 3% ZnS, 10% PbO, 14%
Fe2O3, 1% Al2O3, 6% SiO2 is reduced in a horizontal retort furnace with 45 kg
coke having 90% C and 10% SiO2.
In the furnace
91% of ZnO is reduced to Zn
100% of PbO is reduced to Pb
75 % of Fe3O4 is reduced to Fe, 25 % of Fe3O4 is reduced to FeO
Neglect the vaporization of Pb and Fe and accept that they will not reoxidize.
1. Determine the weight of zinc and the percentage of zinc gained from the
ore.
2. Determine the theoretical weight of C required for the reduction of ZnO
and the percentage of the excess C.
3. Determine the weight and the percentage of the residual material in the
retort furnace after the removal of zinc vapor.

100 kg of roasted zinc ore with composition: 66% Zno, 3% ZnS, 10% PbO, 14%
Fe203, 1% Al203, 6% SiO2 is reduced in a horizontal retort furnace with 45 kg
coke having 90% C and 10% SiO2.
In the furnace
91% of ZnO is reduced to Zn
100% of PbO is reduced to Pb
75 % of Fe3O4 is reduced to Fe, 25 % of Fe304 is reduced to FeO
Neglect the vaporization of Pb and Fe and accept that they will not reoxidize.
1. Determine the weight of zinc and the percentage of zinc gained from the
ore.
2. Determine the theoretical weight of C required for the reduction of Zno
and the percentage of the excess C.
3. Determine the weight and the percentage of the residual material in the
retort furnace after the removal of zinc vapor.

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