A natural gas-fired industrial boiler operates with an oxygen concentration of 3 mole percent in the exhaust gas (3 mole percent in the product). Determine the operating air to fuel ratio and the equivalence ratio. Treat the natural gas as methane, CH4.

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
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Hello, I need help with the solution for problem 3. The solution posted on the website was not very clear. Thank you.

Answer: (b) (A/F) = 13.2 (c) (A/F) = 16.5
Problem 3
A natural gas-fired industrial boiler operates with an oxygen concentration of 3 mole percent in the
exhaust gas (3 mole percent in the product). Determine the operating air to fuel ratio and the
equivalence ratio. Treat the natural gas as methane, CH4.
Answer: (A/F) = 20.3, 0.84
=
Transcribed Image Text:Answer: (b) (A/F) = 13.2 (c) (A/F) = 16.5 Problem 3 A natural gas-fired industrial boiler operates with an oxygen concentration of 3 mole percent in the exhaust gas (3 mole percent in the product). Determine the operating air to fuel ratio and the equivalence ratio. Treat the natural gas as methane, CH4. Answer: (A/F) = 20.3, 0.84 =
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