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Pure carbon is burned in oxygen. The flue gas analysis is CO2 75 mol % CO 14 mol % O2 11 mol % a. What was the percent excess oxygen used?

Pure carbon is burned in oxygen. The flue gas analysis is CO2 75 mol % CO 14 mol % O2 11 mol % a. What was the percent excess oxygen used?

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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I'm unsure how to go about this answering this question. Do I choose a basis of 100mol flue gas, work out how much of each component (N2, CO2, CO, O2) is in the flue gas, use N2 out = N2 in (in air stream going in), workout flowrate of air and then the composition of O2? I'm very unsure. Please assist me in answering this.

1. Pure carbon is burned in oxygen. The flue gas analysis is CO2 75 mol % CO 14 mol % O2 11 mol % a. What was the percent excess oxygen used?
Transcribed Image Text:1. Pure carbon is burned in oxygen. The flue gas analysis is CO2 75 mol % CO 14 mol % O2 11 mol % a. What was the percent excess oxygen used?
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