Example 9.4 Binary Flash
4
T-x-y Diagram at Pt (mmHg) 760 Antoine Equation Constants Component 1 Heptane BP (degree C) 98.5 A B C Vapor Pressure (mmHg) at temp (degree C) Vapor Pressure of Component 1 98.4 760 105 940 110 1050 115 1200 120 1350 125.6 1540 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0 0.00 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
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Transcript of Example 9.4 Binary Flash
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 )
