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
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: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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