One hundred kmol/h of liquid alcohols containing, by mole, 40% methanol, 35% ethanol, 15% isopropanol and 10% normal propanol are distilled in two distillation columns. The distillate from the first column is 97% pure M with a 95% recovery of methanol. The distillate from the second is 84% pure ethanol with an 85% recovery of ethanol from the first column bottoms. Assume no propanols in the distillate from Column C1, no methanol in the bottoms from Column C2, and no NP in the distillate from Column C2. Draw a block flow diagram showing the components of each stream. Calculate the flow rates in kmol/h of each component in each feed, distillate and bottoms

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
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One hundred kmol/h of liquid alcohols containing, by mole, 40% methanol, 35% ethanol, 15% isopropanol and 10% normal propanol are distilled in two distillation columns. The distillate from the first column is 97% pure M with a 95% recovery of methanol. The distillate from the second is 84% pure ethanol with an 85% recovery of ethanol from the first column bottoms. Assume no propanols in the distillate from Column C1, no methanol in the bottoms from Column C2, and no NP in the distillate from Column C2. Draw a block flow diagram showing the components of each stream. Calculate the flow rates in kmol/h of each component in each feed, distillate and bottoms.

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