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Solution Library
Plot Vapor Liquid Equilibrium For Component
Question
The equilibrium concentration of component A of in the vapour phase yA, with concentration of component A in liquid phase, XA, can be given by:
yA = xAPAo/P
and
xA = (P - PBo)/ (PAo – PBo)
where P = system pressure
PA°, P B° = saturated pressure of component (A) and (B) respectively.
(a) Briefly indicate the laws used to obtain these relationships.
(b) Plot the Vapour Liquid Equilibrium (VLE) curve (xA, yA) using the data given in Table Q5 and assuming that the benzene - toluene system will be maintained under an absolute pressure of 760 mmHg.
TABLE Q5
|
Temperature/°C |
Vapour Pressure/ mmHg |
|
|
|
PAo (benzene) |
PBo(toluene) |
|
82.2 |
845 |
310 |
|
84.1 |
880 |
330 |
|
90.6 |
1080 |
410 |
|
97.3 |
1330 |
505 |
|
104.4 |
1640 |
620 |
Summary
The question belongs to Chemical Engineering and it discusses about plotting Vapor Liquid Equilibrium for a component in liquid phase and vapor phase.
Total Word Count 81
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