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Methane (CH3OH) is synthesized from carbon monoxide (CO) and hydrogen (H2). The fresh feed to the process contains 50 mol % N2 and the balance CO and H2 in stoichiometric proportion. To max the yield of methanol, the reactor products are fed to a condenser where all of the methanol condenses and exits the process. The remaining material (CO, H2, N2) is split into a purge and recycle stream. The recycle stream is fed into a mixer where it is mixed with the fresh feed. 20% of the gas leaving the condenser is purged, and 80% returns to combine with the fresh feed. The fractional yield of methanol for the overall process is 45%. A) Draw a flow diagram B) Do the degree of freedom analysis C) Solve all the flow rates (mol/min) D) What's the single pass conversion of CO in the reactor

Methane (CH3OH) is synthesized from carbon monoxide (CO) and hydrogen (H2). The fresh feed to the process contains 50 mol % N2 and the balance CO and H2 in stoichiometric proportion. To max the yield of methanol, the reactor products are fed to a condenser where all of the methanol condenses and exits the process. The remaining material (CO, H2, N2) is split into a purge and recycle stream. The recycle stream is fed into a mixer where it is mixed with the fresh feed. 20% of the gas leaving the condenser is purged, and 80% returns to combine with the fresh feed. The fractional yield of methanol for the overall process is 45%. A) Draw a flow diagram B) Do the degree of freedom analysis C) Solve all the flow rates (mol/min) D) What's the single pass conversion of CO in the reactor

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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Methane (CH3OH) is synthesized from carbon monoxide (CO) and hydrogen (H2). The fresh feed to the process contains 50 mol % N2 and the balance CO and H2 in stoichiometric proportion. To max the yield of methanol, the reactor products are fed to a condenser where all of the methanol condenses and exits the process. The remaining material (CO, H2, N2) is split into a purge and recycle stream. The recycle stream is fed into a mixer where it is mixed with the fresh feed. 20% of the gas leaving the condenser is purged, and 80% returns to combine with the fresh feed. The fractional yield of methanol for the overall process is 45%. A) Draw a flow diagram B) Do the degree of freedom analysis C) Solve all the flow rates (mol/min) D) What's the single pass conversion of CO in the reactor
Transcribed Image Text:Methane (CH3OH) is synthesized from carbon monoxide (CO) and hydrogen (H2). The fresh feed to the process contains 50 mol % N2 and the balance CO and H2 in stoichiometric proportion. To max the yield of methanol, the reactor products are fed to a condenser where all of the methanol condenses and exits the process. The remaining material (CO, H2, N2) is split into a purge and recycle stream. The recycle stream is fed into a mixer where it is mixed with the fresh feed. 20% of the gas leaving the condenser is purged, and 80% returns to combine with the fresh feed. The fractional yield of methanol for the overall process is 45%. A) Draw a flow diagram B) Do the degree of freedom analysis C) Solve all the flow rates (mol/min) D) What's the single pass conversion of CO in the reactor
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