A distillation column with a partial reboiler and a total condenser is being used to separate a mixture of Ethane (1), Ethylene (2), and Propane (3). The feed is 20.0% mole Ethane, 30.0% mole Ethylene and 50.0% mole Propane. The feed is input as a saturated vapor. We desire 90.00% recovery of the Ethylene in the bottoms and 98.00% recovery of the Ethane in the distillate. The reflux is returned as a saturated liquid, and CMO can be assumed. Equilibrium can be represented as constant relative volatilities. Choosing Ethylene (2) as the reference component, a12 = 1.9 and a32 = 0.65. Use a basis of 100 moles of feed/h. Find the number of equilibrium stages required at total reflux.
A distillation column with a partial reboiler and a total condenser is being used to separate a mixture of Ethane (1), Ethylene (2), and Propane (3). The feed is 20.0% mole Ethane, 30.0% mole Ethylene and 50.0% mole Propane. The feed is input as a saturated vapor. We desire 90.00% recovery of the Ethylene in the bottoms and 98.00% recovery of the Ethane in the distillate. The reflux is returned as a saturated liquid, and CMO can be assumed. Equilibrium can be represented as constant relative volatilities. Choosing Ethylene (2) as the reference component, a12 = 1.9 and a32 = 0.65. Use a basis of 100 moles of feed/h. Find the number of equilibrium stages required at total reflux.
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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Answer Range: 9.39, 9.48, 9.49 9.59
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A distillation column with a partial reboiler and a total condenser is being used to separate a
mixture of Ethane (1), Ethylene (2), and Propane (3). The feed is 20.0% mole Ethane, 30.0%
mole Ethylene and 50.0% mole Propane. The feed is input as a saturated vapor. We desire
90.00% recovery of the Ethylene in the bottoms and 98.00% recovery of the Ethane in the
distillate. The reflux is returned as a saturated liquid, and CMO can be assumed. Equilibrium
can be represented as constant relative volatilities. Choosing Ethylene (2) as the reference
component, a12 = 1.9 and a32 = 0.65. Use a basis of 100 moles of feed/h. Find the number
of equilibrium stages required at total reflux.
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