Answered: Although the product is proprietary,…

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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Question

Many chemicals generate emissions of volatile compounds that need to be controlled. In the process shown in the accompanying figure, the CO in the exhaust is substantially reduced by separating it from the reactor effluent and recycling the unreacted CO together with the reactant. Although the product is proprietary, information is provided that the fresh feed stream contains 40 % reactant, 50 % inert and 10 % CO, and that on reaction 2 moles of reactant yield 2.5 moles of product. Conversion of the reactant to product is 73 % on one pass through the reactor, and 90 % for the over-all process. The recycle stream contains 80% CO and 20% reactant.

Calculate the ratio of moles of the product stream to moles of the recycle stream.

mol fr.
Co
0.80
гeactant 0,20
R(mol)
1.00
mol fr.
reactant 0.40
inert
0.50
0.10
1.00 G
со
P1
P(mol)
F(mol)
Reactor
mol fr.
(4100 kg mol/hr)
product 0.450
inert
0.500
reactant 0.040
CÓ
0.010
1.000
Separator

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