Adiabatic Flame Temperature (AFT) is the maximum temperature a flame can reach and is of practical significance. This is calculated under the conditions of "adiabatic", i.e., no heat loss from the flame to the surroundings. Lead blast furnace gas (15 vol.% CO, 15 vol.% CO2, 70 vol.% N₂) is combusted with 10% excess air (20 vol.% O₂ and balance N₂) at 25 °C. Calculate the AFT, the off-gas amount (per mole of the fuel), and off-gas composition in vol.%? Note all the gases behave ideally. Given: Species O₂(g) N₂(g) CO(g) CO-(a) JK-mol-¹ 34.6 32.9 33.2 53.1 kJ mol-¹ 0 0 -110.500 -393.505
Adiabatic Flame Temperature (AFT) is the maximum temperature a flame can reach and is of practical significance. This is calculated under the conditions of "adiabatic", i.e., no heat loss from the flame to the surroundings. Lead blast furnace gas (15 vol.% CO, 15 vol.% CO2, 70 vol.% N₂) is combusted with 10% excess air (20 vol.% O₂ and balance N₂) at 25 °C. Calculate the AFT, the off-gas amount (per mole of the fuel), and off-gas composition in vol.%? Note all the gases behave ideally. Given: Species O₂(g) N₂(g) CO(g) CO-(a) JK-mol-¹ 34.6 32.9 33.2 53.1 kJ mol-¹ 0 0 -110.500 -393.505
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:Question 3
Adiabatic Flame Temperature (AFT) is the maximum temperature a flame can reach and is of
practical significance. This is calculated under the conditions of "adiabatic", i.e., no heat loss
from the flame to the surroundings. Lead blast furnace gas (15 vol.% CO, 15 vol.% CO₂,
70 vol.% N₂) is combusted with 10% excess air (20 vol.% O₂ and balance N₂) at 25 °C. Calculate
the AFT, the off-gas amount (per mole of the fuel), and off-gas composition in vol.%? Note all
the gases behave ideally.
Given:
Species
O₂(g)
N₂(g)
CO(g)
CO₂(g)
JK-¹ mol-¹
34.6
32.9
33.2
53.1
hask, kJ mol-¹
298 K
0
0
-110.500
-393.505
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