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(b) An incomplete x-y diagram (Figure 1.1 on page 4) has been found in a chemical plant that produces chloroform (MVC) as its main product. However, the records of the other LVC component are lost. Even though,

(b) An incomplete x-y diagram (Figure 1.1 on page 4) has been found in a chemical plant that produces chloroform (MVC) as its main product. However, the records of the other LVC component are lost. Even though,

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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(b) An incomplete x-y diagram (Figure 1.1 on page 4) has been found in a chemical plant that produces chloroform (MVC) as its main product. However, the records of the other LVC component are lost. Even though, you have been told that the LVC component might be n-butanol or pyridine. The plant manager has asked you to figure out which LVC component is the correct one. Based on your VLE calculations, find out which binary system can be described by the incomplete x-y diagram. Assume the total pressure to be 1.0133 bar. You should choose at least THREE temperatures in the range of the normal boiling temperatures of each binary system. You can use the Antoine equation to calculate the vapour pressures for your VLE calculations. The equation is as follows: B log10(Pfat) = A T+C Where the vapour pressure (Pat) is in bar and the temperature is in K. The constants of the Antoine equation and the normal boiling temperatures for each component are shown in the table below: |A C Normal Boiling Temperature (K) |Chloroform (MVC) 4.20772 1233.129 |-40.953 334.35 n-Butanol (LVC) 4.54607 390.85 1351.555 -93.34 Pyridine (LVC) 4.16272 1371.358 |-58.496 388.45
Transcribed Image Text:(b) An incomplete x-y diagram (Figure 1.1 on page 4) has been found in a chemical plant that produces chloroform (MVC) as its main product. However, the records of the other LVC component are lost. Even though, you have been told that the LVC component might be n-butanol or pyridine. The plant manager has asked you to figure out which LVC component is the correct one. Based on your VLE calculations, find out which binary system can be described by the incomplete x-y diagram. Assume the total pressure to be 1.0133 bar. You should choose at least THREE temperatures in the range of the normal boiling temperatures of each binary system. You can use the Antoine equation to calculate the vapour pressures for your VLE calculations. The equation is as follows: B log10(Pfat) = A T+C Where the vapour pressure (Pat) is in bar and the temperature is in K. The constants of the Antoine equation and the normal boiling temperatures for each component are shown in the table below: |A C Normal Boiling Temperature (K) |Chloroform (MVC) 4.20772 1233.129 |-40.953 334.35 n-Butanol (LVC) 4.54607 390.85 1351.555 -93.34 Pyridine (LVC) 4.16272 1371.358 |-58.496 388.45
1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Mole fraction of MVC in liquid phase (Xa) Figure 1.1: Incomplete x-y diagram of an unknown binary system. Mole traction of MVC in vapour phase (ya)
Transcribed Image Text:1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Mole fraction of MVC in liquid phase (Xa) Figure 1.1: Incomplete x-y diagram of an unknown binary system. Mole traction of MVC in vapour phase (ya)
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