A fresh feed consisting of propanol (P, C3H7OH) and oxygen (O2) is mixed with a recycle stream consisting of the same two components. The resulting mixture enters the continuous, steady-state reactor as a single stream. The total inlet flow rate to the reactor is 295 mol/min with a propanol mole fraction of 0.158 and the balance oxygen. Both complete and partial combustion reactions occur, and the reactor effluent contains propanol, oxygen, water (W, H2O), carbon monoxide (CO), and carbon dioxide (CO2). The single pass conversion of propanol was measured to be 69.3%, and the flow rate of CO2 exiting the reactor is 8.05 times larger than the CO flow rate in the same stream. The reactor effluent then passes through a separator that removes all of the CO, CO2, and water into one stream and all of the propanol and oxygen into another stream. 14.4% of the propanol/oxygen stream is purged from the process while the rest is recycled. In the last level, the flow rates (mol/min) leaving the reactor were found as: n˙P = 14.3, n˙O2 = 108, n˙CO2 = 86.1, n˙CO = 10.7, and n˙W = 129. Determine the component flow rates of the fresh feed.
A fresh feed consisting of propanol (P, C3H7OH) and oxygen (O2) is mixed with a recycle stream consisting of the same two components. The resulting mixture enters the continuous, steady-state reactor as a single stream. The total inlet flow rate to the reactor is 295 mol/min with a propanol mole fraction of 0.158 and the balance oxygen. Both complete and partial combustion reactions occur, and the reactor effluent contains propanol, oxygen, water (W, H2O), carbon monoxide (CO), and carbon dioxide (CO2). The single pass conversion of propanol was measured to be 69.3%, and the flow rate of CO2 exiting the reactor is 8.05 times larger than the CO flow rate in the same stream. The reactor effluent then passes through a separator that removes all of the CO, CO2, and water into one stream and all of the propanol and oxygen into another stream. 14.4% of the propanol/oxygen stream is purged from the process while the rest is recycled. In the last level, the flow rates (mol/min) leaving the reactor were found as: n˙P = 14.3, n˙O2 = 108, n˙CO2 = 86.1, n˙CO = 10.7, and n˙W = 129. Determine the component flow rates of the fresh feed.
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 multi-unit process is being overseen by engineers Oscar and Mary. A fresh feed consisting of propanol (P, C3H7OH) and oxygen (O2) is mixed with a recycle stream consisting of the same two components. The resulting mixture enters the continuous, steady-state reactor as a single stream. The total inlet flow rate to the reactor is 295 mol/min with a propanol mole fraction of 0.158 and the balance oxygen. Both complete and partial combustion reactions occur, and the reactor effluent contains propanol, oxygen, water (W, H2O), carbon monoxide (CO), and carbon dioxide (CO2). The single pass conversion of propanol was measured to be 69.3%, and the flow rate of CO2 exiting the reactor is 8.05 times larger than the CO flow rate in the same stream. The reactor effluent then passes through a separator that removes all of the CO, CO2, and water into one stream and all of the propanol and oxygen into another stream. 14.4% of the propanol/oxygen stream is purged from the process while the rest is recycled.
In the last level, the flow rates (mol/min) leaving the reactor were found as: n˙P = 14.3, n˙O2 = 108, n˙CO2 = 86.1, n˙CO = 10.7, and n˙W = 129. Determine the component flow rates of the fresh feed.
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