1. Consider a blast furnace which is charged with iron ore, coke and flux with the following composition: Iron ore (weight %): Fe2O3-78, SiO2-8.4, MnO=0.6, Al2O3-5.0, P₂Os=1.7, MgO=1.2 and H2O=5.1 Coke (weight %): C=88, SiO2-9, Al2O3-1 and H₂O=2 Flux (weight %): CaCO3-96%, MgCO3-2% and SiO2=2% And pig iron is produced with the following composition: Pig iron (weight %): Fe =92.7, C=4, Si=2, P=0.9 and Mn=0.4 The coke and flux rates are 900 and 425 kg/ton of pig iron, respectively. During smelting 99.5% of Fe is reduced and 0.5% is slagged. The CO/CO2 ratio in the top gas is 2/1. Calculate a) Weight of iron ore b) Weight and composition of slag c) Volume of air required d) Volume and %composition of exit gas.
1. Consider a blast furnace which is charged with iron ore, coke and flux with the following composition: Iron ore (weight %): Fe2O3-78, SiO2-8.4, MnO=0.6, Al2O3-5.0, P₂Os=1.7, MgO=1.2 and H2O=5.1 Coke (weight %): C=88, SiO2-9, Al2O3-1 and H₂O=2 Flux (weight %): CaCO3-96%, MgCO3-2% and SiO2=2% And pig iron is produced with the following composition: Pig iron (weight %): Fe =92.7, C=4, Si=2, P=0.9 and Mn=0.4 The coke and flux rates are 900 and 425 kg/ton of pig iron, respectively. During smelting 99.5% of Fe is reduced and 0.5% is slagged. The CO/CO2 ratio in the top gas is 2/1. Calculate a) Weight of iron ore b) Weight and composition of slag c) Volume of air required d) Volume and %composition of exit gas.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:1. Consider a blast furnace which is charged with iron ore, coke and flux with the following composition:
Iron ore (weight %): Fe2O3-78, SiO2-8.4, MnO=0.6, Al2O3-5.0, P₂Os=1.7, MgO=1.2 and H2O=5.1
Coke (weight %): C=88, SiO2-9, Al2O3-1 and H₂O=2
Flux (weight %): CaCO3-96%, MgCO3-2% and SiO2=2%
And pig iron is produced with the following composition:
Pig iron (weight %): Fe =92.7, C=4, Si=2, P=0.9 and Mn=0.4
The coke and flux rates are 900 and 425 kg/ton of pig iron, respectively. During smelting 99.5% of Fe is
reduced and 0.5% is slagged. The CO/CO2 ratio in the top gas is 2/1.
Calculate
a) Weight of iron ore
b) Weight and composition of slag
c) Volume of air required
d) Volume and %composition of exit gas.
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