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6.1 Methanol production Problem Methanol is produced by the reaction of carbon dioxide and hydrogen: CO2 + 3H2 → CH3OH + H₂O The fresh feed to the process contains hydrogen, carbon dioxide, and 0.40 mol% inert (I). The reactor effluent passes to a separator that removes essentially all of the methanol and water formed, but none of the reac- tants or inert. The latter substances are recycled to the reactor. To avoid buildup of the inert in the system, a purge stream is withdrawn from the recycle. The feed to the reactor (not the fresh feed to the process) contains 28.0 mol% CO2, 70.0 mol% H2, and 2.00 mol% inert. The single-pass con- version of hydrogen is 60.0%. Calculate the molar flow rates and molar compositions of the fresh feed, the total feed to the reactor, the recycle stream, and the purge stream for a production rate of 155 mol CH3OH/h.

6.1 Methanol production Problem Methanol is produced by the reaction of carbon dioxide and hydrogen: CO2 + 3H2 → CH3OH + H₂O The fresh feed to the process contains hydrogen, carbon dioxide, and 0.40 mol% inert (I). The reactor effluent passes to a separator that removes essentially all of the methanol and water formed, but none of the reac- tants or inert. The latter substances are recycled to the reactor. To avoid buildup of the inert in the system, a purge stream is withdrawn from the recycle. The feed to the reactor (not the fresh feed to the process) contains 28.0 mol% CO2, 70.0 mol% H2, and 2.00 mol% inert. The single-pass con- version of hydrogen is 60.0%. Calculate the molar flow rates and molar compositions of the fresh feed, the total feed to the reactor, the recycle stream, and the purge stream for a production rate of 155 mol CH3OH/h.

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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6.1 Methanol production Problem Methanol is produced by the reaction of carbon dioxide and hydrogen: CO2 + 3H2 → CH3OH + H₂O The fresh feed to the process contains hydrogen, carbon dioxide, and 0.40 mol% inert (I). The reactor effluent passes to a separator that removes essentially all of the methanol and water formed, but none of the reac- tants or inert. The latter substances are recycled to the reactor. To avoid buildup of the inert in the system, a purge stream is withdrawn from the recycle. The feed to the reactor (not the fresh feed to the process) contains 28.0 mol% CO2, 70.0 mol% H2, and 2.00 mol% inert. The single-pass con- version of hydrogen is 60.0%. Calculate the molar flow rates and molar compositions of the fresh feed, the total feed to the reactor, the recycle stream, and the purge stream for a production rate of 155 mol CH3OH/h.
Transcribed Image Text:6.1 Methanol production Problem Methanol is produced by the reaction of carbon dioxide and hydrogen: CO2 + 3H2 → CH3OH + H₂O The fresh feed to the process contains hydrogen, carbon dioxide, and 0.40 mol% inert (I). The reactor effluent passes to a separator that removes essentially all of the methanol and water formed, but none of the reac- tants or inert. The latter substances are recycled to the reactor. To avoid buildup of the inert in the system, a purge stream is withdrawn from the recycle. The feed to the reactor (not the fresh feed to the process) contains 28.0 mol% CO2, 70.0 mol% H2, and 2.00 mol% inert. The single-pass con- version of hydrogen is 60.0%. Calculate the molar flow rates and molar compositions of the fresh feed, the total feed to the reactor, the recycle stream, and the purge stream for a production rate of 155 mol CH3OH/h.
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