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6) Flash Distillation Model... Suppose we decide to distill the same 1000 moles of the 82 mole% cyclohexane and 18 mole % toluene mixture (see the Batch distillation problem) over a ten hour period (one day) using a flash distillation. In this case we would have a feed stream of 88.3 moles/hr and a bottoms flow rate of 11 moles/hr in order to achieve the same overall material result. A cyclohexane-toluene xy-equilibriun figure is provided for your use if needed. a) For the flash option, determine the distillate and bottoms compositions. b) What would you recommend - batch or flash? Why? F = 1000 moles F=√+L

6) Flash Distillation Model... Suppose we decide to distill the same 1000 moles of the 82 mole% cyclohexane and 18 mole % toluene mixture (see the Batch distillation problem) over a ten hour period (one day) using a flash distillation. In this case we would have a feed stream of 88.3 moles/hr and a bottoms flow rate of 11 moles/hr in order to achieve the same overall material result. A cyclohexane-toluene xy-equilibriun figure is provided for your use if needed. a) For the flash option, determine the distillate and bottoms compositions. b) What would you recommend - batch or flash? Why? F = 1000 moles F=√+L

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
Problem 1.1P
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6) Flash Distillation Model ... Suppose we decide to distill the same 1000 moles of the 82 mole% cyclohexane and 18 mole% toluene mixture (see the Batch distillation problem) over a ten hour period (one day) using a flash distillation. In this case we would have a feed stream of 88.3 moles/hr and a bottoms flow rate of 11 moles/hr in order to achieve the same overall material result. A cyclohexane-toluene xy-equilibrium figure is provided for your use if needed. 0 a) For the flash option, determine the distillate and bottoms compositions. b) What would you recommend - batch or flash? Why? F=√+L zF=Y₂V*XBL F= = 1000 moles x=0.82 d=0.883 Xb= 0.117 BUF 0.020 SE301 2ACT 32581 2.12 S884
Transcribed Image Text:6) Flash Distillation Model ... Suppose we decide to distill the same 1000 moles of the 82 mole% cyclohexane and 18 mole% toluene mixture (see the Batch distillation problem) over a ten hour period (one day) using a flash distillation. In this case we would have a feed stream of 88.3 moles/hr and a bottoms flow rate of 11 moles/hr in order to achieve the same overall material result. A cyclohexane-toluene xy-equilibrium figure is provided for your use if needed. 0 a) For the flash option, determine the distillate and bottoms compositions. b) What would you recommend - batch or flash? Why? F=√+L zF=Y₂V*XBL F= = 1000 moles x=0.82 d=0.883 Xb= 0.117 BUF 0.020 SE301 2ACT 32581 2.12 S884
Cyclohexane-Toluene y, Mole Fraction 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 0.00 0.00 0.10 0.20 0.30 0.40 0.60 0.50 x, Mole Fraction 0.70 0.80 0.90 1.00
Transcribed Image Text:Cyclohexane-Toluene y, Mole Fraction 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 0.00 0.00 0.10 0.20 0.30 0.40 0.60 0.50 x, Mole Fraction 0.70 0.80 0.90 1.00
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