Dortmund Data Bank

Vapor-Liquid Equilibrium Data

The experimental data shown in these pages are freely available and have been published already in the DDB Explorer Edition. The data represent a small sub list of all available data in the Dortmund Data Bank. For more data or any further information please search the DDB or contact DDBST.

Vapor-Liquid Equilibrium Data Set 12502

Components

No. Formula Molar Mass CAS Registry Number Name
1 C8H10 106.167 106-42-3 p-Xylene
2 C5H9NO 99.133 872-50-4 N-Methyl-2-pyrrolidone
Search the DDB for all data of this mixture

Constant Value

Temperature 373.15 K

Data Table

P [kPa] x1 [mol/mol]
3.380 0.00000
4.820 0.02580
5.970 0.05240
8.119 0.09760
11.970 0.19240
15.340 0.29300
19.500 0.43240
19.810 0.43770
22.290 0.53910
22.330 0.53970
25.450 0.68180
27.530 0.79030
29.810 0.89700
31.029 0.94960
31.380 0.97370
31.449 1.00000

(P - pressure, x - liquid mole fraction)

Reference

Source
Wilding W.V.; Wilson L.C.; Wilson G.M.: Vapor Liquid Equilibrium Measurements on Ten Binary Systems of Industrial Interest. AIChE Symp.Ser. 83 (1987) 49-69


Vapor-Liquid Equilibrium Data Set 12503

Components

No. Formula Molar Mass CAS Registry Number Name
1 C8H10 106.167 106-42-3 p-Xylene
2 C5H9NO 99.133 872-50-4 N-Methyl-2-pyrrolidone
Search the DDB for all data of this mixture

Constant Value

Temperature 473.15 K

Data Table

P [kPa] x1 [mol/mol]
94.040 0.00000
106.330 0.02520
120.481 0.05130
141.820 0.09590
184.510 0.18990
223.420 0.29060
270.110 0.43100
275.920 0.44130
303.060 0.53430
303.750 0.53780
339.940 0.68020
365.930 0.78900
392.140 0.89620
404.369 0.94910
409.960 0.97350
414.601 1.00000

(P - pressure, x - liquid mole fraction)

Reference

Source
Wilding W.V.; Wilson L.C.; Wilson G.M.: Vapor Liquid Equilibrium Measurements on Ten Binary Systems of Industrial Interest. AIChE Symp.Ser. 83 (1987) 49-69


Vapor-Liquid Equilibrium Data Set 18809

Components

No. Formula Molar Mass CAS Registry Number Name
1 C8H10 106.167 106-42-3 p-Xylene
2 C5H9NO 99.133 872-50-4 N-Methyl-2-pyrrolidone
Search the DDB for all data of this mixture

Constant Value

Temperature 373.15 K

Data Table

P [kPa] x1 [mol/mol] y1 [mol/mol]
8.930 0.09570 0.63700
12.160 0.19030 0.75340
15.209 0.28780 0.82160
21.300 0.47690 0.90270
25.761 0.68630 0.94770
30.449 0.90050 0.98400

(P - pressure, x - liquid mole fraction, y - vapor mole fraction)

Reference

Source
Gupta S.K.: Isothermal Vapor-Liquid Equilibria of o-, m-m and p-Xylene with N-Methylpyrrolidone at 373.15 K and 393.15 K. J.Chem.Eng.Data 44 (1999) 23-25

Diagrams

Vapor-Liquid Equilibrium of p-Xylene+N-Methyl-2-pyrrolidone
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Vapor-Liquid Equilibrium of p-Xylene+N-Methyl-2-pyrrolidone
See larger image

List of All References

Source
Wilding W.V.; Wilson L.C.; Wilson G.M.: Vapor Liquid Equilibrium Measurements on Ten Binary Systems of Industrial Interest. AIChE Symp.Ser. 83 (1987) 49-69
Gupta S.K.: Isothermal Vapor-Liquid Equilibria of o-, m-m and p-Xylene with N-Methylpyrrolidone at 373.15 K and 393.15 K. J.Chem.Eng.Data 44 (1999) 23-25

Vapor-Liquid Equilibrium Data Overview


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