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Q2 A catalytic dehydrogenation process shown in below produces 1,2-butadiene (C4H6) from pure normal butane (C4H10). The product stream contains 75 mol/h of H2 and 13 mol/h of C4H10 as well as C4H6. The recycle stream is 30% (mol) C,H10 and 70% (mol) C4H6, and the flow is 24 mol/h. C4H10 C4H6 + 2H2 Pure C,H10 Product P Reactor Separator n, = 75 mol/h F=? mol/h ne,H10 13 тol/h i= "H*?u R Recycle 30.0% nc,H10 70.0% nc,H6 1. What is the feed rate, F, and the product flow rate of C,H, leaving the process? 2. What is the single-pass conversion of butane in the process?

Q2 A catalytic dehydrogenation process shown in below produces 1,2-butadiene (C4H6) from pure normal butane (C4H10). The product stream contains 75 mol/h of H2 and 13 mol/h of C4H10 as well as C4H6. The recycle stream is 30% (mol) C,H10 and 70% (mol) C4H6, and the flow is 24 mol/h. C4H10 C4H6 + 2H2 Pure C,H10 Product P Reactor Separator n, = 75 mol/h F=? mol/h ne,H10 13 тol/h i= "H*?u R Recycle 30.0% nc,H10 70.0% nc,H6 1. What is the feed rate, F, and the product flow rate of C,H, leaving the process? 2. What is the single-pass conversion of butane in 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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Q1 Cyclohexane (C,H12) can be made by the reaction of benzene with hydrogen according to the following reaction: C,H, + 3H2 » CGH12 For the process shown in below, determine the ratio of the recycle stream to the fresh feed stream if the overall conversion of benzene is 95% and the single-pass conversion is 20%, and the ratio of unreacted benzene in the product stream to the unreacted benzene in the recycle stream. Assume that 20% excess hydrogen is used in the fresh fed, and that the composition of the recycle stream is 22.74 mol% benzene and 78.26 mol% hydrogen. Fresh feed n, Product P ngz Reactor Separator F 20% excess H2 n, R Recycle 22.74% Bz 77.26% H2 Q2 A catalytic dehydrogenation process shown in below produces 1,2-butadiene (C4H6) from pure normal butane (C4H10). The product stream contains 75 mol/h of H2 and 13 mol/h of C4H10 as well as C4H6. The recycle stream is 30% (mol) C4H10 and 70% (mol) C4H6, and the flow is 24 mol/h. C4H10 C4H6 + 2H2 - Pure C4H10 Reactor Separator Product P = 75 mol/h nE,H,0 = 13 mol/h ne,H, =? F=? mol/h %3D R Recycle 30.0% nc,H10 70.0% nc,H6 1. What is the feed rate, F, and the product flow rate of C,H, leaving the process? 2. What is the single-pass conversion of butane in the process?
Transcribed Image Text:Q1 Cyclohexane (C,H12) can be made by the reaction of benzene with hydrogen according to the following reaction: C,H, + 3H2 » CGH12 For the process shown in below, determine the ratio of the recycle stream to the fresh feed stream if the overall conversion of benzene is 95% and the single-pass conversion is 20%, and the ratio of unreacted benzene in the product stream to the unreacted benzene in the recycle stream. Assume that 20% excess hydrogen is used in the fresh fed, and that the composition of the recycle stream is 22.74 mol% benzene and 78.26 mol% hydrogen. Fresh feed n, Product P ngz Reactor Separator F 20% excess H2 n, R Recycle 22.74% Bz 77.26% H2 Q2 A catalytic dehydrogenation process shown in below produces 1,2-butadiene (C4H6) from pure normal butane (C4H10). The product stream contains 75 mol/h of H2 and 13 mol/h of C4H10 as well as C4H6. The recycle stream is 30% (mol) C4H10 and 70% (mol) C4H6, and the flow is 24 mol/h. C4H10 C4H6 + 2H2 - Pure C4H10 Reactor Separator Product P = 75 mol/h nE,H,0 = 13 mol/h ne,H, =? F=? mol/h %3D R Recycle 30.0% nc,H10 70.0% nc,H6 1. What is the feed rate, F, and the product flow rate of C,H, leaving the process? 2. What is the single-pass conversion of butane in the process?
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