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Page 1: McCabe Thiele Diagram

BINARY DISTILLATION ( Mc-Cabe Thiele Method)Date 15/08/14

Chemical Engineering Calculations By CheCalc

Enter Binary Pair 15 Process DataComponents Ethanol + Water Pressure, PSIA 20.0Antoine Equation Parameters 1 2 Reflux Ratio, R 1.500A 18.91 18.30 Quality of Feed, q 1.200B 3803.98 3816.44 Mol FractionC -41.68 -46.13 Feed, xF 0.360

Molar Volume, V 167 56 Distillate, xD 0.750Aij, Wilson Binary parameter cal/gmol 325.08 953.28 Bottoms, xB 0.050

ResultFeed Stage 4.00Total Stages 5.86

Basis- Vapor pressure is calculated using Antoine Equation :

Ln ( Pressure ( mmHg ) ) = A - B / ( Temperature ( °K ) + C )- Flash calculations are based on Modified Raoult's Law

CheCalc.com

User Input

cm3/gmol

0.0 0.2 0.4 0.6 0.8 1.00.0

0.2

0.4

0.6

0.8

1.0X - Y Diagram

X

Y

Page 2: McCabe Thiele Diagram

BINARY DISTILLATION ( Mc-Cabe Thiele Method)Date 15/08/14

Chemical Engineering Calculations By CheCalc

Enter Binary Pair 15 Process DataComponents Ethanol + Water Pressure, Bar Abs 1.4Antoine Equation Parameters 1 2 Reflux Ratio, R 1.500A 18.91 18.30 Quality of Feed, q 1.200B 3803.98 3816.44 Mol FractionC -41.68 -46.13 Feed, xF 0.360

Molar Volume, V 167 56 Distillate, xD 0.750Aij, Wilson Binary parameter cal/gmol 325.08 953.28 Bottoms, xB 0.050

ResultFeed Stage 4.00Total Stages 5.86

Basis- Vapor pressure is calculated using Antoine Equation :

Ln ( Pressure ( mmHg ) ) = A - B / ( Temperature ( °K ) + C )- Flash calculations are based on Modified Raoult's Law

CheCalc.com

User Input

cm3/gmol

0.0 0.2 0.4 0.6 0.8 1.00.0

0.2

0.4

0.6

0.8

1.0X - Y Diagram

X

Y