The cumene process is used to convert benzene in the presence of oxygen and acetone via the reaction.   C6H6+C3H6+O2------->C6H5OH+C3H6O   This reaictionis carried out with excess benzene and excess oxygen to ensure that no side reactions occur. A 1.15 ratio of benzene to propene is fed to a reactor in the presence of 29.5% excess air (N2 and O2). The first pass conversion of propene is 100%. The products leave the reactor and enter a condenser where the gaseous nitrogen and oxygen leave the process and the liquid organic products are fed to a distillation column. The distillation column seperates the products from the reactants. Any unreacted reactants are fed into the fresh feed strem. The products are directed tona second distillaation column that seperates the acetone from the henol. I23.3 kg/hr of phenol is produced from this process.   What is the molar flow rate of fresh feed in the process ? What are the mole fractions of the componenrts in the fresh feed ? What is the molar flow rate of the recycle stream ?

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
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The cumene process is used to convert benzene in the presence of oxygen and acetone via the reaction.

 

C6H6+C3H6+O2------->C6H5OH+C3H6O

 

This reaictionis carried out with excess benzene and excess oxygen to ensure that no side reactions occur. A 1.15 ratio of benzene to propene is fed to a reactor in the presence of 29.5% excess air (N2 and O2). The first pass conversion of propene is 100%. The products leave the reactor and enter a condenser where the gaseous nitrogen and oxygen leave the process and the liquid organic products are fed to a distillation column. The distillation column seperates the products from the reactants. Any unreacted reactants are fed into the fresh feed strem. The products are directed tona second distillaation column that seperates the acetone from the henol. I23.3 kg/hr of phenol is produced from this process.

 

What is the molar flow rate of fresh feed in the process ?

What are the mole fractions of the componenrts in the fresh feed ?

What is the molar flow rate of the recycle stream ?

 

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