We wish to separate a mixture of Ethanol (C2H5OH) and Water in a counter-current, staged distillation column operating at steady-state and at 1 atm. The feed is a two-phase flow at 100 kg/min. The feed comprises of 8.91 mol% Ethanol and flows at 93 oC. The desired distillate composition (xD) is 80.0 wt% and the bottom composition (xB) is 1 wt% Ethanol. The column has a total condenser and partial reboiler and the reflux ratio (R= Lo/D) is 3.0. Determine the distillate (D) flow rate in kg/min. (round your answer to two decimal places) QUESTION 2 Given the information in Q1, find the bottoms (B) flow rate in kg/min. (round your answer to two decimal places)

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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We wish to separate a mixture of Ethanol (C2H5OH) and Water in a counter-current, staged distillation column operating at steady-state and at 1 atm. The feed is a two-phase flow at 100 kg/min. The feed comprises of 8.91 mol% Ethanol and flows at 93 oC. The desired distillate composition (xD) is 80.0 wt% and the bottom composition (xB) is 1 wt% Ethanol. The column has a total condenser and partial reboiler and the reflux ratio (R= Lo/D) is 3.0. Determine the distillate (D) flow rate in kg/min. (round your answer to two decimal places)

QUESTION 2

  1. Given the information in Q1, find the bottoms (B) flow rate in kg/min. (round your answer to two decimal places)

    QUESTION 1

    1. Given the information in Q1, find the condenser duty (Qc) in kcal/min. (report absolute value and round your answer to nearest whole number)

      Given the information in Q1, find the reboiler duty (Qr) in kcal/min. (round your answer to nearest whole number)

 

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