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A fresh stream of pure ethane(C2H6) combined with a recycle stream are fed to a combustion chamber and burned with excess air. The gas mixture exiting the chamber is fed to a filter where 70% of the ethane is removed and recycled to the reactor inlet. The stack gas removed from the filter contains 10.1% O2, 4.5% CO2, 1.5% CO, 0.3% ethane and balanced N2 and H20. Calculate recycle ratio (moles of recycle/moles of fresh feed), conversion of ethane in combustion chamber, percentage of excess for air (%excess) and the molar composition of the stack gas leaving the filter.

A fresh stream of pure ethane(C2H6) combined with a recycle stream are fed to a combustion chamber and burned with excess air. The gas mixture exiting the chamber is fed to a filter where 70% of the ethane is removed and recycled to the reactor inlet. The stack gas removed from the filter contains 10.1% O2, 4.5% CO2, 1.5% CO, 0.3% ethane and balanced N2 and H20. Calculate recycle ratio (moles of recycle/moles of fresh feed), conversion of ethane in combustion chamber, percentage of excess for air (%excess) and the molar composition of the stack gas leaving the filter.

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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A fresh stream of pure ethane(C2H6) combined with a recycle stream are fed to a combustion chamber and burned with excess air. The gas mixture exiting the chamber is fed to a filter where 70% of the ethane is removed and recycled to the reactor inlet. The stack gas removed from the filter contains 10.1% O2, 4.5% CO2, 1.5% CO, 0.3% ethane and balanced N2 and H20. Calculate recycle ratio (moles of recycle/moles of fresh feed), conversion of ethane in combustion chamber, percentage of excess for air (%excess) and the molar composition of the stack gas leaving the filter.
Transcribed Image Text:A fresh stream of pure ethane(C2H6) combined with a recycle stream are fed to a combustion chamber and burned with excess air. The gas mixture exiting the chamber is fed to a filter where 70% of the ethane is removed and recycled to the reactor inlet. The stack gas removed from the filter contains 10.1% O2, 4.5% CO2, 1.5% CO, 0.3% ethane and balanced N2 and H20. Calculate recycle ratio (moles of recycle/moles of fresh feed), conversion of ethane in combustion chamber, percentage of excess for air (%excess) and the molar composition of the stack gas leaving the filter.
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