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Phthalic anhydride (PA) is produced by the oxidation of o-xylene (C8H10) in a fixed bed reactor at 350 °C according to the reaction C3H10 + 302 → C3H4O3 + 3H2O A condenser is used to remove all of the PA (C8H4O3) as a mixture of solid and liquid. How many kilograms of o-xylene is recycled per hour if the purge gas is 78 % N2 and also contains oxygen, CɛH10o and H2O as indicated. The conversion of o-xylene in the reactor is 60 %.

Phthalic anhydride (PA) is produced by the oxidation of o-xylene (C8H10) in a fixed bed reactor at 350 °C according to the reaction C3H10 + 302 → C3H4O3 + 3H2O A condenser is used to remove all of the PA (C8H4O3) as a mixture of solid and liquid. How many kilograms of o-xylene is recycled per hour if the purge gas is 78 % N2 and also contains oxygen, CɛH10o and H2O as indicated. The conversion of o-xylene in the reactor is 60 %.

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
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Phthalic anhydride (PA) is produced by the oxidation of o-xylene (C8H10) in a fixed bed reactor at 350 °C according to the reaction C3H10 + 302 → C8H4O3 + 3H2O A condenser is used to remove all of the PA (C8H4O3) as a mixture of solid and liquid. How many kilograms of o-xylene is recycled per hour if the purge gas is 78 % N2 and also contains oxygen, CaH10 and H20 as indicated. The conversion of o-xylene in the reactor is 60 %. Recycle P Purge 78% N2 O2 C8H10 H2O Air (94 kmol/h) Reactor 60% conversion O-xylene (6 kmol/h) Solid and Liquid PA Air contains 21% O2 and 79% N2.
Transcribed Image Text:Phthalic anhydride (PA) is produced by the oxidation of o-xylene (C8H10) in a fixed bed reactor at 350 °C according to the reaction C3H10 + 302 → C8H4O3 + 3H2O A condenser is used to remove all of the PA (C8H4O3) as a mixture of solid and liquid. How many kilograms of o-xylene is recycled per hour if the purge gas is 78 % N2 and also contains oxygen, CaH10 and H20 as indicated. The conversion of o-xylene in the reactor is 60 %. Recycle P Purge 78% N2 O2 C8H10 H2O Air (94 kmol/h) Reactor 60% conversion O-xylene (6 kmol/h) Solid and Liquid PA Air contains 21% O2 and 79% N2.
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