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3. Methanol can be produced from synthesis gas by the following reaction: CO + 2H2 → CH3OH The fresh feed to a methanol reactor contains 32.0 mole% CO, 64.0% H2 and 4% N2 and flows at a rate of 100 mol h-1. The fresh feed is mixed with a recycle stream flowing at a rate of 400 mol h-l to produce a reactor feed containing 13.0 mole% N2. The reactor outlet stream is fed to a condenser from which liquid methanol is removed. To control N2 buildup, a purge stream is withdrawn from the gas stream leaving the condenser. The gases not purged constitute the stream recycled to the reactor. (i) Draw a properly labelled diagram to illustrate the process. (ii) Calculate the production rate of liquid methanol (mol h-1) (iii) Calculate the molar flow rate and composition of the purge gas. (iv) Calculate the overall and single pass conversions.

3. Methanol can be produced from synthesis gas by the following reaction: CO + 2H2 → CH3OH The fresh feed to a methanol reactor contains 32.0 mole% CO, 64.0% H2 and 4% N2 and flows at a rate of 100 mol h-1. The fresh feed is mixed with a recycle stream flowing at a rate of 400 mol h-l to produce a reactor feed containing 13.0 mole% N2. The reactor outlet stream is fed to a condenser from which liquid methanol is removed. To control N2 buildup, a purge stream is withdrawn from the gas stream leaving the condenser. The gases not purged constitute the stream recycled to the reactor. (i) Draw a properly labelled diagram to illustrate the process. (ii) Calculate the production rate of liquid methanol (mol h-1) (iii) Calculate the molar flow rate and composition of the purge gas. (iv) Calculate the overall and single pass conversions.

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
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3. Methanol can be produced from synthesis gas by the following reaction: CO + 2H2 → CH3OH The fresh feed to a methanol reactor contains 32.0 mole% CO, 64.0% H2 and 4% N2 and flows at a rate of 100 mol h-1. The fresh feed is mixed with a recycle stream flowing at a rate of 400 mol h-l to produce a reactor feed containing 13.0 mole% N2. The reactor outlet stream is fed to a condenser from which liquid methanol is removed. To control N2 buildup, a purge stream is withdrawn from the gas stream leaving the condenser. The gases not purged constitute the stream recycled to the reactor. (i) Draw a properly labelled diagram to illustrate the process. (ii) Calculate the production rate of liquid methanol (mol h-1) (iii) Calculate the molar flow rate and composition of the purge gas. (iv) Calculate the overall and single pass conversions.
Transcribed Image Text:3. Methanol can be produced from synthesis gas by the following reaction: CO + 2H2 → CH3OH The fresh feed to a methanol reactor contains 32.0 mole% CO, 64.0% H2 and 4% N2 and flows at a rate of 100 mol h-1. The fresh feed is mixed with a recycle stream flowing at a rate of 400 mol h-l to produce a reactor feed containing 13.0 mole% N2. The reactor outlet stream is fed to a condenser from which liquid methanol is removed. To control N2 buildup, a purge stream is withdrawn from the gas stream leaving the condenser. The gases not purged constitute the stream recycled to the reactor. (i) Draw a properly labelled diagram to illustrate the process. (ii) Calculate the production rate of liquid methanol (mol h-1) (iii) Calculate the molar flow rate and composition of the purge gas. (iv) Calculate the overall and single pass conversions.
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