A new flash tank is being designed by engineers Musa and Victor. A liquid mixture of p-xylene (X, C8H10) and benzene (B, C6H6) will flow into the flash tank at 45.0oC and 995 mmHg and 13.5 mol/hr. A vapor stream and a liquid stream exit the flash tank with both components in vapor-liquid equilibrium at 112oC. The mole fraction of p-xylene in the exiting liquid stream is 0.757. The flow rate of the exiting liquid stream is 29% of the stream entering the flash tank. In the last level, two mole fractions were found as: y3,B = 0.639 and y3,X = 0.361. Now, calculate the overall molar flow rates for the exiting streams as well as mole fractions for the entering liquid 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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A new flash tank is being designed by engineers Musa and Victor. A liquid mixture of p-xylene (X, C8H10) and benzene (B, C6H6) will flow into the flash tank at 45.0oC and 995 mmHg and 13.5 mol/hr. A vapor stream and a liquid stream exit the flash tank with both components in vapor-liquid equilibrium at 112oC. The mole fraction of p-xylene in the exiting liquid stream is 0.757. The flow rate of the exiting liquid stream is 29% of the stream entering the flash tank.
In the last level, two mole fractions were found as: y3,B = 0.639 and y3,X = 0.361.
Now, calculate the overall molar flow rates for the exiting streams as well as mole fractions for the entering liquid stream.
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