Vapor pressure difference between Cd and Zn might allow the two metals to be separated by distillation. We now apply the law of conservation of mass to explore such a process. An alloy with a mass fraction of 50% Cd enters a distillation device (a separator) at 1000 kg/h and exits as two streams. At steady state, the gas stream contains 454 kg/h of Cd, and the liquid stream contains 472 kg/h of Zn. Write elemental balances on each constituent and prepare a complete mass balance. Show each stream on a diagram, and solve for all streams.
Vapor pressure difference between Cd and Zn might allow the two metals to be separated by distillation. We now apply the law of conservation of mass to explore such a process. An alloy with a mass fraction of 50% Cd enters a distillation device (a separator) at 1000 kg/h and exits as two streams. At steady state, the gas stream contains 454 kg/h of Cd, and the liquid stream contains 472 kg/h of Zn. Write elemental balances on each constituent and prepare a complete mass balance. Show each stream on a diagram, and solve for all streams.
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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Vapor pressure difference between Cd and Zn might allow the two metals to be separated by distillation. We now apply the law of conservation of mass to explore such a process. An alloy with a mass fraction of 50% Cd enters a distillation device (a separator) at 1000 kg/h and exits as two streams. At steady state, the gas stream contains 454 kg/h of Cd, and the liquid stream contains 472 kg/h of Zn. Write elemental balances on each constituent and prepare a complete mass balance. Show each stream on a diagram, and solve for all streams.
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