A fuel gas mixture of 10500 lbmol/hr 35 mol% ethane, 25 mol% propane, and the balance butane is fed to a combustion reactor with 12% excess air. In this reactor there is complete combustion only (no CO). There are fractional conversions of 82, 73, and 69% for ethane, propane, and butane, respectively. (a) Draw a PFD of the process. (b) Write down all relevant balanced equations. (c) Calculate the molar flowrate of incoming air. (d) Calculate the molar flowrate of the stack gas, along with component flowrates. (e) Calculate the dry basis composition of the stack gas. (f) Calculate the wet basis composition of the stack gas.
A fuel gas mixture of 10500 lbmol/hr 35 mol% ethane, 25 mol% propane, and the balance butane is fed to a combustion reactor with 12% excess air. In this reactor there is complete combustion only (no CO). There are fractional conversions of 82, 73, and 69% for ethane, propane, and butane, respectively. (a) Draw a PFD of the process. (b) Write down all relevant balanced equations. (c) Calculate the molar flowrate of incoming air. (d) Calculate the molar flowrate of the stack gas, along with component flowrates. (e) Calculate the dry basis composition of the stack gas. (f) Calculate the wet basis composition of the stack gas.
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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A fuel gas mixture of 10500 lbmol/hr 35 mol% ethane, 25 mol% propane, and the
balance butane is fed to a combustion reactor with 12% excess air. In this reactor there is
complete combustion only (no CO). There are fractional conversions of 82, 73, and 69% for
ethane, propane, and butane, respectively.
(a) Draw a PFD of the process.
(b) Write down all relevant balanced equations.
(c) Calculate the molar flowrate of incoming air.
(d) Calculate the molar flowrate of the stack gas, along with component flowrates.
(e) Calculate the dry basis composition of the stack gas.
(f) Calculate the wet basis composition of the stack gas.
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