T-x-y Diagram at Pt (mmHg) 760

Antoine Equation Constants Component 1Heptane

BP (degree C) 98.5ABC

Vapor Pressure (mmHg) at temp (degree C) Vapor Pressure of Component 198.4 760105 940110 1050115 1200120 1350

125.6 1540

0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.000.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

0.90

1.00

x-y Diagram Heptane and Octane

Component 2Octane

126

Vapor Pressure of Component 2333 1.00 1.00 0.00 0.00417 0.66 0.81 0.34 0.19484 0.49 0.67 0.51 0.33561 0.31 0.49 0.69 0.51650 0.16 0.28 0.84 0.72760 0.00 0.00 1.00 1.00

xa ya xb yb

0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.0035

45

55

65

75

85

95

105

115

125

135

T-x-y Diagram (1 atm) for Heptane and Octane

x,y

Tem

pera

ture

(C )

0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.000.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

0.90

1.00

x-y Diagram Heptane and Octane

x y x y=-4/6x+0.8340 0 0.5 0.50

0.2 0.2 0.48 0.510.4 0.4 0.46 0.530.6 0.6 0.44 0.540.8 0.8 0.42 0.55

1 1 0.4 0.570.2 0.70

0 0.83

0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.0035

45

55

65

75

85

95

105

115

125

135

T-x-y Diagram (1 atm) for Heptane and Octane

x,y

Tem

pera

ture

(C )

0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.0035

45

55

65

75

85

95

105

115

125

135

T-x-y Diagram (1 atm) for Heptane and Octane

x,y

Tem

pera

ture

(C )