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Module 2: Mineral processing, Unit processes |
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Lecture 19: Roasting of zinc and lead concentrate |
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Zn + 0.5 O2 = ZnO |
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Kcal/kg.mol |
Pb + 0.5 O2= PbO |
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Kcal/kg.mol |
3Fe +2 O2 =Fe3 O4 |
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Kcal/kg.mol |
S + O2 =SO2 |
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Kcal/kg.mol |
S +1.5 O2=SO3 |
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Kcal/kg.mol |
Cu + 0.5O2 = CuO |
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Kcal/kg.mol |
2Fe + 1.5O2 = Fe2O3 |
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Kcal/kg.mol |
2Cu + S= Cu2 S |
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Kcal/kg.mol |
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H 1100 - H 298| ZnO |
=9500 |
Kcal/kg.mol |
H 1100 - H 298| PbO |
=10800 |
Kcal/kg.mol |
H 1100- H 298| Fe3O4 |
=40350 |
Kcal/kg.mol |
H 1100 -H 298| SO2 |
=9397 |
Kcal/kg.mol |
H 1100 - H 298| SO3 |
=13860 |
Kcal/kg.mol |
H 1100 - H 298| Zn |
=7400 |
Kcal/kg.mol |
H 1100 - H 298| Pb |
=6640 |
Kcal/kg.mol |
H 1100 - H 298| Fe |
=7160 |
Kcal/kg.mol |
H 1100 - H 298| S |
=6860 |
Kcal/kg.mol |
H 1100 - H 298| O2 |
=6208 |
Kcal/kg.mol |
H 1100 - H 298| N2 |
=5916 |
Kcal/kg.mol |
H 900 - H 298| N2 |
=4358 |
Kcal/kg.mol |
H 900 - H 298| O2 |
=4602 |
Kcal/kg.mol |
H 900 - H 298|H2O(1) |
=15762 |
Kcal/kg.mol |
H 900 - H 298| SO2 |
=6843 |
Kcal/kg.mol |
H 900 - H 298| SiO2 |
=8950 |
Kcal/kg.mol |
H 900 - H 298|CuO |
=7320 |
Kcal/kg.mol |
H 900 - H 298| Fe3O4 |
=20020 |
Kcal/kg.mol |
H 900 - H 298|Cu2S |
=11730 |
Kcal/kg.mol |
H 900 - H 298| Cu |
=7170 |
Kcal/kg.mol |
H 900 - H 298| Fe |
=4680 |
Kcal/kg.mol |
H 900 - H 298| S |
=5102 |
Kcal/kg.mole |
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