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Question 2. A mixture of 70 mole% propane and 30 mol % hydrogen is burned with 25% excess air. Fractional conversion of 90% of the propane and 85% of t. hydrogen are achieved. Out of the propane that reacts, 95% reacts to form CO2 and the balance reacts to form CO. Assume a basis of 100 mol/h of propane-hydrogen mixture. C3H8 H₂ Air (no mol/h) Reactor C3H8 (n1 mol/h) H2 (n2 mol/h) CO2 (n3 mol/h) CO (n4 mol/h) H₂O (n5 mol/h) O2 (n6 mol/h) N2 (n7 mol/h) a) Write down clearly all the balanced chemical reactions involved in the process, and perform a degree of freedom analysis for atic species balance. b) Estimate the flow rate of air into the reactor. c) Perform atomic species balance and estimate the amount of CO in the output stream. d) Comment on the effect of conversion of H₂ on your answer in part c), with explanation.

Question 2. A mixture of 70 mole% propane and 30 mol % hydrogen is burned with 25% excess air. Fractional conversion of 90% of the propane and 85% of t. hydrogen are achieved. Out of the propane that reacts, 95% reacts to form CO2 and the balance reacts to form CO. Assume a basis of 100 mol/h of propane-hydrogen mixture. C3H8 H₂ Air (no mol/h) Reactor C3H8 (n1 mol/h) H2 (n2 mol/h) CO2 (n3 mol/h) CO (n4 mol/h) H₂O (n5 mol/h) O2 (n6 mol/h) N2 (n7 mol/h) a) Write down clearly all the balanced chemical reactions involved in the process, and perform a degree of freedom analysis for atic species balance. b) Estimate the flow rate of air into the reactor. c) Perform atomic species balance and estimate the amount of CO in the output stream. d) Comment on the effect of conversion of H₂ on your answer in part c), with explanation.

Introduction to Chemical Engineering Thermodynamics
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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Question 2. A mixture of 70 mole% propane and 30 mol % hydrogen is burned with 25% excess air. Fractional conversion of 90% of the propane and 85% of t. hydrogen are achieved. Out of the propane that reacts, 95% reacts to form CO₂ and the balance reacts to form CO. Assume a basis of 100 mol/h of propane-hydrogen mixture. C3H8 H₂ Air (no mol/h) Reactor C3H8 (n1 mol/h) H2 (n2 mol/h) CO2 (n3 mol/h) CO (n4 mol/h) H₂O (n5 mol/h) O2 (n6 mol/h) N2 (n7 mol/h) a) Write down clearly all the balanced chemical reactions involved in the process, and perform a degree of freedom analysis for at ic species balance. b) Estimate the flow rate of air into the reactor. c) Perform atomic species balance and estimate the amount of CO in the output stream. d) Comment on the effect of conversion of H₂ on your answer in part c), with explanation.
Transcribed Image Text:Question 2. A mixture of 70 mole% propane and 30 mol % hydrogen is burned with 25% excess air. Fractional conversion of 90% of the propane and 85% of t. hydrogen are achieved. Out of the propane that reacts, 95% reacts to form CO₂ and the balance reacts to form CO. Assume a basis of 100 mol/h of propane-hydrogen mixture. C3H8 H₂ Air (no mol/h) Reactor C3H8 (n1 mol/h) H2 (n2 mol/h) CO2 (n3 mol/h) CO (n4 mol/h) H₂O (n5 mol/h) O2 (n6 mol/h) N2 (n7 mol/h) a) Write down clearly all the balanced chemical reactions involved in the process, and perform a degree of freedom analysis for at ic species balance. b) Estimate the flow rate of air into the reactor. c) Perform atomic species balance and estimate the amount of CO in the output stream. d) Comment on the effect of conversion of H₂ on your answer in part c), with explanation.
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