Methanol is synthesized from carbon monoxide and hydrogen in a catalytic reactor. The fresh feed to the process contains 32.0 mol% CO, 64.0 mol% H2 and 4.00 mol% N2. This stream is mixed with a recycle stream in a ratio of 16.00 mol recycle/1 mol fresh feed to produce the feed to the reactor, which contains 11.0 mol% N2. The reactor effluent goes to a condenser from which two streams emerge: a liquid product stream containing essentially all of the methanol formed in the reactor, and a gas stream containing all of the CO, H2, and N2 leaving the reactor. The gas stream is split into two fractions; one is removed from the process as a purge stream, and the other is the recycle stream that combines with the fresh feed to the reactor. For a methanol production rate of 100.0 mol/h, calculate the fresh feed rate (mol/h), the molar flow rate and composition of the purge gas, and the overall and single-pass conversions. Fresh feed rate: i ! mol/h Purge rate: i ! mol/h mol fraction CO in purge: .3
Methanol is synthesized from carbon monoxide and hydrogen in a catalytic reactor. The fresh feed to the process contains 32.0 mol% CO, 64.0 mol% H2 and 4.00 mol% N2. This stream is mixed with a recycle stream in a ratio of 16.00 mol recycle/1 mol fresh feed to produce the feed to the reactor, which contains 11.0 mol% N2. The reactor effluent goes to a condenser from which two streams emerge: a liquid product stream containing essentially all of the methanol formed in the reactor, and a gas stream containing all of the CO, H2, and N2 leaving the reactor. The gas stream is split into two fractions; one is removed from the process as a purge stream, and the other is the recycle stream that combines with the fresh feed to the reactor. For a methanol production rate of 100.0 mol/h, calculate the fresh feed rate (mol/h), the molar flow rate and composition of the purge gas, and the overall and single-pass conversions. Fresh feed rate: i ! mol/h Purge rate: i ! mol/h mol fraction CO in purge: .3
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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Transcribed Image Text:Methanol is synthesized from carbon monoxide and hydrogen in a catalytic reactor.
The fresh feed to the process contains 32.0 mol% CO, 64.0 mol% H₂ and 4.00 mol% N₂. This stream is mixed with a recycle stream in a
ratio of 16.00 mol recycle / 1 mol fresh feed to produce the feed to the reactor, which contains 11.0 mol% N₂.
The reactor effluent goes to a condenser from which two streams emerge: a liquid product stream containing essentially all of the
methanol formed in the reactor, and a gas stream containing all of the CO, H₂, and N₂ leaving the reactor.
The gas stream is split into two fractions; one is removed from the process as a purge stream, and the other is the recycle stream that
combines with the fresh feed to the reactor.
For a methanol production rate of 100.0 mol/h, calculate the fresh feed rate (mol/h), the molar flow rate and composition of the purge
gas, and the overall and single-pass conversions.
Fresh feed rate:
Purge rate: i
mol fraction CO in purge:
mol fraction N₂ in purge:
Overall CO conversion:
Single-pass CO conversion:
!
mol/h
mol/h
%
%
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