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One common method of making hydrogen gas is called steam methane reforming (SMR). The reaction is as follows: CH4 + H2O CO + H2 The carbon monoxide from this reaction can be used to produce more hydrogen according to the "water gas shift" (WGS) reaction: CO+ H2O CO2 + H2 Assume the following PFD represents the process:

One common method of making hydrogen gas is called steam methane reforming (SMR). The reaction is as follows: CH4 + H2O CO + H2 The carbon monoxide from this reaction can be used to produce more hydrogen according to the "water gas shift" (WGS) reaction: CO+ H2O CO2 + H2 Assume the following PFD represents the process:

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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2. One common method of making hydrogen gas is called steam methane reforming (SMR). The reaction is as follows: CH4 + H₂O CO + H₂ The carbon monoxide from this reaction can be used to produce more hydrogen according to the "water gas shift" (WGS) reaction: Assume the following PFD represents the process: Stream 1 Fresh CH Stream 2 Fresh H₂O a. b. C. d. e. Stream 3 Stream 4 SMR Reactor CO + H2O ) CO2 + H2 Stream 6 Stream 10 Recycle CH4 Stream 5 WGS Reactor Stream 11 Pure CO Stream 7 Separator System 100 mol/h (Stream: 0.98 mol H₂/mol 0.02 mol CH₂/mol Stream 9 Pure CO₂ Label the contents of streams 5 and 7 with unknowns using component flow rates. Determine the flow rates of Streams 1 and 2 entering the system. What is the overall conversion of methane for this process? If the recycle ratio for methane is 3 moles recycled/mole fresh feed, determine the flow rate of streams 10 and 3. Determine the amount of methane in stream 5 and the single pass conversion of methane for this process?
Transcribed Image Text:2. One common method of making hydrogen gas is called steam methane reforming (SMR). The reaction is as follows: CH4 + H₂O CO + H₂ The carbon monoxide from this reaction can be used to produce more hydrogen according to the "water gas shift" (WGS) reaction: Assume the following PFD represents the process: Stream 1 Fresh CH Stream 2 Fresh H₂O a. b. C. d. e. Stream 3 Stream 4 SMR Reactor CO + H2O ) CO2 + H2 Stream 6 Stream 10 Recycle CH4 Stream 5 WGS Reactor Stream 11 Pure CO Stream 7 Separator System 100 mol/h (Stream: 0.98 mol H₂/mol 0.02 mol CH₂/mol Stream 9 Pure CO₂ Label the contents of streams 5 and 7 with unknowns using component flow rates. Determine the flow rates of Streams 1 and 2 entering the system. What is the overall conversion of methane for this process? If the recycle ratio for methane is 3 moles recycled/mole fresh feed, determine the flow rate of streams 10 and 3. Determine the amount of methane in stream 5 and the single pass conversion of methane for this process?
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