A boiler is fired with a high-grade fuel oil (consisting only of hydrocarbons) having a standard heat of combustion of -43,515 Jg at 25 C with CO2(g) and H20() as products. The temperature of the fuel and air entering the combustion chamber is 25°C. The air is assumed dry. The flue gases leave at 300°C, and their average analysis (on a dry basis) is 11.2% CO,, 0.4% CO, 6.2% O2, and 82.2% N2. Calculate the fraction of the heat of combustion of the oil that is transterred as heat to the boiler.
A boiler is fired with a high-grade fuel oil (consisting only of hydrocarbons) having a standard heat of combustion of -43,515 Jg at 25 C with CO2(g) and H20() as products. The temperature of the fuel and air entering the combustion chamber is 25°C. The air is assumed dry. The flue gases leave at 300°C, and their average analysis (on a dry basis) is 11.2% CO,, 0.4% CO, 6.2% O2, and 82.2% N2. Calculate the fraction of the heat of combustion of the oil that is transterred as heat to the boiler.
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:A boiler is fired with a high-grade fuel oil (consisting only of hydrocarbons) having a
standard heat of combustion of -43,515 Jg at 25 C with CO2(9) and H20() as
products. The temperature of the fuel and air entering the combustion chamber is
25°C. The air is assumed dry. The flue gases leave at 300 C, and their average
analysis (on a dry basis) is 11.2% CO2, 0.4% CO, 6.2% O2, and 82.2% N2. Calculate
the fraction of the heat of combustion of the oil that is transferred as heat to the boiler.
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