A gaseous fuel at 220C, 763 mmHg and saturated with water vapor is burned with excess air. Air with 60% RH is supplied at the same temperature and pressure as the fuel. The composition of the fuel shows 9.2% CO2, 0.40% C2H4, 20.9% CO, 15.6% H2, 1.9% CH4 and 52% N2. The stack gas leaves at 4000C and 9.90m H2O and contains 13.16% CO2 and 1.84% CO on a dry basis. Calculatea. Percent excess airb. Complete analysis of the stack gasc. Dew point of the stack gasSolve using a basis of 100 mols stack gas

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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

A gaseous fuel at 22⁰C, 763 mmHg and saturated with water vapor is burned with excess air. Air with 60% RH is supplied at the same temperature and pressure as the fuel. The composition of the fuel shows 9.2% CO₂, 0.40% C₂H₄, 20.9% CO, 15.6% H₂, 1.9% CH₄ and 52% N₂. The stack gas leaves at 4000C and 9.90m H₂O and contains 13.16% CO₂ and 1.84% CO on a dry basis. Calculate
a. Percent excess air
b. Complete analysis of the stack gas
c. Dew point of the stack gas