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(i) Identify the key and non-key components. (ii) Calculate minimum number of stages using Fenske's equation (iii) Determine the number of ideal stage if reflux ratio is 1.3 Rmin using Gilliland's equation

(i) Identify the key and non-key components. (ii) Calculate minimum number of stages using Fenske's equation (iii) Determine the number of ideal stage if reflux ratio is 1.3 Rmin using Gilliland's equation

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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Q1: Distillation column is used to separate n-butane, n-pentane, n-hexane from n-heptane and n-octane, the distillation column operates at 1.2 atm with reflux ratio 1.5. The feed is precooled so that it enters the column with a molar condensation ratio equal to 1. Composition (mole/h) of the feed, top and bottom are recorded in the following Table. flow Bottom flow rate(mol/h) aij Components Feed (mol/h) Тop rate (mol/h) n-butane 15 15 4.2 22 22 3.8 n-pentane n-hexane 25 24 1 2.0 n-heptane 36 6. 30 1.0 n-octane 38 38 0.38 (i) Identify the key and non-key components. (ii) Calculate minimum number of stages using Fenske's equation (iii) Determine the number of ideal stage if reflux ratio is 1.3 Rmin using Gilliland's equation
Transcribed Image Text:Q1: Distillation column is used to separate n-butane, n-pentane, n-hexane from n-heptane and n-octane, the distillation column operates at 1.2 atm with reflux ratio 1.5. The feed is precooled so that it enters the column with a molar condensation ratio equal to 1. Composition (mole/h) of the feed, top and bottom are recorded in the following Table. flow Bottom flow rate(mol/h) aij Components Feed (mol/h) Тop rate (mol/h) n-butane 15 15 4.2 22 22 3.8 n-pentane n-hexane 25 24 1 2.0 n-heptane 36 6. 30 1.0 n-octane 38 38 0.38 (i) Identify the key and non-key components. (ii) Calculate minimum number of stages using Fenske's equation (iii) Determine the number of ideal stage if reflux ratio is 1.3 Rmin using Gilliland's equation
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