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P6-6c (Membrane reactor) The first-order, gas-phase, reversible reaction A B+2C is taking place in a membrane reactor. Pure A enters the reactor, and B diffuses out through the membrane. Unfortunately, a small amount of the reactant A also diffuses through the membrane. (a) Plot and analyze the flow rates of A, B, and C and the conversion X down the reactor, as well as the flow rates of A and B through the membrane. (b) Next, compare the conversion profiles in a conventional PFR with those of a membrane reactor from part (a). What generalizations can you make? (c) Would the conversion of A be greater or smaller if C were diffusing out instead of B? (d) Discuss qualitatively how your curves would change if the temperature were increased signifi- cantly or decreased significantly for an exothermic reaction. Repeat the discussion for an endot- hermic reaction. Additional information: k = 10 min-1 Kc = 0.01 mol/dm6 KCA = 1 min-1 KCB = 40 min-1 FAO Vo = 100 mol/min 100 dm³/min Vreactor = 20 dm³

P6-6c (Membrane reactor) The first-order, gas-phase, reversible reaction A B+2C is taking place in a membrane reactor. Pure A enters the reactor, and B diffuses out through the membrane. Unfortunately, a small amount of the reactant A also diffuses through the membrane. (a) Plot and analyze the flow rates of A, B, and C and the conversion X down the reactor, as well as the flow rates of A and B through the membrane. (b) Next, compare the conversion profiles in a conventional PFR with those of a membrane reactor from part (a). What generalizations can you make? (c) Would the conversion of A be greater or smaller if C were diffusing out instead of B? (d) Discuss qualitatively how your curves would change if the temperature were increased signifi- cantly or decreased significantly for an exothermic reaction. Repeat the discussion for an endot- hermic reaction. Additional information: k = 10 min-1 Kc = 0.01 mol/dm6 KCA = 1 min-1 KCB = 40 min-1 FAO Vo = 100 mol/min 100 dm³/min Vreactor = 20 dm³

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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solve that except    part    (k).    Note:    For    part    (i),    you    can    use    CSTR’s    design    equation    for    fluidized-bed    reactor.    

P6-6c (Membrane reactor) The first-order, gas-phase, reversible reaction A B+2C is taking place in a membrane reactor. Pure A enters the reactor, and B diffuses out through the membrane. Unfortunately, a small amount of the reactant A also diffuses through the membrane. (a) Plot and analyze the flow rates of A, B, and C and the conversion X down the reactor, as well as the flow rates of A and B through the membrane. (b) Next, compare the conversion profiles in a conventional PFR with those of a membrane reactor from part (a). What generalizations can you make? (c) Would the conversion of A be greater or smaller if C were diffusing out instead of B? (d) Discuss qualitatively how your curves would change if the temperature were increased signifi- cantly or decreased significantly for an exothermic reaction. Repeat the discussion for an endot- hermic reaction. Additional information: == 0.01 mol/dm6 k = 10 min-1 Kc KCA = 1 min-1 KCB = 40 min-1 AO Vo V reactor 100 mol/min 100 dm³/min = 20 dm³
Transcribed Image Text:P6-6c (Membrane reactor) The first-order, gas-phase, reversible reaction A B+2C is taking place in a membrane reactor. Pure A enters the reactor, and B diffuses out through the membrane. Unfortunately, a small amount of the reactant A also diffuses through the membrane. (a) Plot and analyze the flow rates of A, B, and C and the conversion X down the reactor, as well as the flow rates of A and B through the membrane. (b) Next, compare the conversion profiles in a conventional PFR with those of a membrane reactor from part (a). What generalizations can you make? (c) Would the conversion of A be greater or smaller if C were diffusing out instead of B? (d) Discuss qualitatively how your curves would change if the temperature were increased signifi- cantly or decreased significantly for an exothermic reaction. Repeat the discussion for an endot- hermic reaction. Additional information: == 0.01 mol/dm6 k = 10 min-1 Kc KCA = 1 min-1 KCB = 40 min-1 AO Vo V reactor 100 mol/min 100 dm³/min = 20 dm³
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