Phthalic anhydride (PA) is produced by the oxidation of o-xylene (C8H10) in a fixed bed reactor at 350pC according to the following reaction: C8H10 + O2 C8H4O3 + H2O A condenser is used to remove all the PA (C8H4O3) as a mixture of solid and liquid. How many kilograms of o-xylene are recycled per hour if the purge gas is 78% N2 (the balance is a mixture of xylene, air, and H2O) and 60% conversion of o-xylene takes place on one-pass through the reactor?
Phthalic anhydride (PA) is produced by the oxidation of o-xylene (C8H10) in a fixed bed reactor at 350pC according to the following reaction: C8H10 + O2 C8H4O3 + H2O A condenser is used to remove all the PA (C8H4O3) as a mixture of solid and liquid. How many kilograms of o-xylene are recycled per hour if the purge gas is 78% N2 (the balance is a mixture of xylene, air, and H2O) and 60% conversion of o-xylene takes place on one-pass through the reactor?
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
Phthalic anhydride (PA) is produced by the oxidation of o-xylene (C8H10) in a fixed bed reactor at 350pC according to the following reaction:
C8H10 + O2 C8H4O3 + H2O
A condenser is used to remove all the PA (C8H4O3) as a mixture of solid and liquid. How many kilograms of o-xylene are recycled per hour if the purge gas is 78% N2 (the balance is a mixture of xylene, air, and H2O) and 60% conversion of o-xylene takes place on one-pass through the reactor?
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Problem 4
Phthalic anhydride (PA) is produced by the oxidation of o-xylene (CH10) in a fixed bed reactor at 350°c
according to the following reaction:
CHzo + O, CH.O, + H,0
A condenser is used to remove all the PA (C,H.O,) as a mixture of solid and liquid. How many kilograns of
O-xylene are recycled per hour if the purge gas is 78% N, (the balance is a mixture of xylene, air, and H,O)
and 60% conversion of o-xylene takes place on one-pass through the reactor?
Recycle
Purge
78% N
118 kmol/hr
Air 94 kmol/hr
REACTOR
O-xylene 6 kmolhr
Sold and Liquid PA
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