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Q4. In underground coal combustion in the gas phase several reactions take place including: CO +02 CO2 H, +50, - H,0 CH, + 202 CO2 + 2H20 If a gas phase composed of the following molar composition: CO2: 15.22%; CO: 13.54%; H2: 15.01%; CH4: 3.2%; and the balance N2.The gas is burned with 40% excess air. 1. On the basis of 100 mol of gas, calculate the amount of air needed per 100 moles of the gas. 2. What will be the analysis of the product gas on a wet basis 3. If 70% of the methane burnt in the third reaction was converted to CO2 and the remaining to CO, how it would affect the feed rate of air assuming 40% excess air.

Q4. In underground coal combustion in the gas phase several reactions take place including: CO +02 CO2 H, +50, - H,0 CH, + 202 CO2 + 2H20 If a gas phase composed of the following molar composition: CO2: 15.22%; CO: 13.54%; H2: 15.01%; CH4: 3.2%; and the balance N2.The gas is burned with 40% excess air. 1. On the basis of 100 mol of gas, calculate the amount of air needed per 100 moles of the gas. 2. What will be the analysis of the product gas on a wet basis 3. If 70% of the methane burnt in the third reaction was converted to CO2 and the remaining to CO, how it would affect the feed rate of air assuming 40% excess air.

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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Q4. In underground coal combustion in the gas phase several reactions take place including: CO +502 - CO2 H2 +0, - H,0 CH, + 20, - CO2 + 2H20 If a gas phase composed of the following molar composition: CO2: 15.22%; CO: 13.54%; H2: 15.01%; CH4: 3.2%; and the balance N2.The gas is burned with 40% excess air, 1. On the basis of 100 mol of gas, calculate the amount of air needed per 100 moles of the gas. 2. What will be the analysis of the product gas on a wet basis 3. If 70% of the methane burnt in the third reaction was converted to CO2 and the remaining to CO, how it would affect the feed rate of air assuming 40% excess air. Use atomic balance
Transcribed Image Text:Q4. In underground coal combustion in the gas phase several reactions take place including: CO +502 - CO2 H2 +0, - H,0 CH, + 20, - CO2 + 2H20 If a gas phase composed of the following molar composition: CO2: 15.22%; CO: 13.54%; H2: 15.01%; CH4: 3.2%; and the balance N2.The gas is burned with 40% excess air, 1. On the basis of 100 mol of gas, calculate the amount of air needed per 100 moles of the gas. 2. What will be the analysis of the product gas on a wet basis 3. If 70% of the methane burnt in the third reaction was converted to CO2 and the remaining to CO, how it would affect the feed rate of air assuming 40% excess air. Use atomic balance
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