For a process in which the feed and products are all nonideal solutions at the infinite surroundings temperature, To, Equation (4) of Table 2.1 for the minimum work of separation reduces to W min Σ , In (y,x) ¡ In (y,xi) RT0 out in For the separation at ambient conditions (298 K, 101.3 kPa) of a 35 mol% mixture of acetone (1) in water (2) into 99 mol% acetone and 98 mol% water, calculate the minimum work in kJ/kmol of feed. Activity coefficients at ambient conditions are correlated by the van Laar equations with A12 = 2.0 and A21 = 1.7. What is the minimum work if acetone and water formed an ideal solution?
For a process in which the feed and products are all nonideal solutions at the infinite surroundings temperature, To, Equation (4) of Table 2.1 for the minimum work of separation reduces to W min Σ , In (y,x) ¡ In (y,xi) RT0 out in For the separation at ambient conditions (298 K, 101.3 kPa) of a 35 mol% mixture of acetone (1) in water (2) into 99 mol% acetone and 98 mol% water, calculate the minimum work in kJ/kmol of feed. Activity coefficients at ambient conditions are correlated by the van Laar equations with A12 = 2.0 and A21 = 1.7. What is the minimum work if acetone and water formed an ideal solution?
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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Transcribed Image Text:For a process in which the feed and products are all nonideal
solutions at the infinite surroundings temperature, To, Equation (4)
of Table 2.1 for the minimum work of separation reduces to
W
min
x; In (y;X;)
x; In (y;Xi)|
RTO
out
in
For the separation at ambient conditions (298 K, 101.3 kPa) of a 35
mol% mixture of acetone (1) in water (2) into 99 mol% acetone and
98 mol% water, calculate the minimum work in kJ/kmol of feed.
Activity coefficients at ambient conditions are correlated by the van
Laar equations with A12 = 2.0 and A21 = 1.7. What is the minimum
work if acetone and water formed an ideal solution?
![A12
A21
(3) van Laar (two-constant)
In yi
In y2
[1 + (x¡A12)/(x2A21)]²
[1+ (x2A21)/(x1A12)]²](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb271c5e6-be73-43fb-9513-87909eee469c%2F190d9bf5-4f4d-4a6a-9276-064bd0d2cc6c%2Fru8o88o_processed.png&w=3840&q=75)
Transcribed Image Text:A12
A21
(3) van Laar (two-constant)
In yi
In y2
[1 + (x¡A12)/(x2A21)]²
[1+ (x2A21)/(x1A12)]²
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