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 14870

Components

No. Formula Molar Mass CAS Registry Number Name
1 C2H6O 46.069 64-17-5 Ethanol
2 C5H9NO 99.133 872-50-4 N-Methyl-2-pyrrolidone
Search the DDB for all data of this mixture

Constant Value

Temperature 333.15 K

Data Table

P [kPa] x1 [mol/mol]
0.4706 0.00000
2.160 0.06600
2.660 0.09300
3.940 0.14000
6.090 0.21500
8.450 0.27500
11.080 0.33400
13.350 0.38500
15.549 0.43500
18.131 0.48900
21.700 0.55500
24.170 0.59700
26.810 0.64300
29.240 0.68600
31.760 0.72800
34.291 0.77000
36.610 0.81200
38.610 0.84600
40.641 0.88300
43.900 0.94100
45.300 0.96800
46.920 1.00000

(P - pressure, x - liquid mole fraction)

Reference

Source
Bittrich H.-J.; Eckert R.: Das Dampf/Flüssigkeits-Phasengleichgewicht binärer Mischungen mit Methanol oder Ethanol als einer Komponente. Z.Phys.Chem.(München) 175 (1992) 217-234


Vapor-Liquid Equilibrium Data Set 24884

Components

No. Formula Molar Mass CAS Registry Number Name
1 C2H6O 46.069 64-17-5 Ethanol
2 C5H9NO 99.133 872-50-4 N-Methyl-2-pyrrolidone
Search the DDB for all data of this mixture

Constant Value

Temperature 313.15 K

Data Table

P [kPa] x1 [mol/mol]
0.13866 0.00000
0.7706 0.06170
1.332 0.11300
2.0465 0.17220
2.7464 0.22540
3.702 0.29230
4.080 0.31460
5.264 0.38880
5.641 0.41020
6.020 0.43090
7.206 0.49430
8.577 0.56220
9.018 0.58310
10.828 0.66610
12.386 0.73680
13.423 0.78380
14.669 0.84080
15.975 0.90200
16.763 0.94180
17.887 1.00000

(P - pressure, x - liquid mole fraction)

Reference

Source
Zielkiewicz J.: Part 1. The N-methylpyrrolidinone + ethanol mixture at T = 313.15 K: thermodynamic results and molecular dynamics caclulation. Phys.Chem.Chem.Phys. (PCCP) 5 (2003) 1619-1630

Diagrams

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

List of All References

Source
Bittrich H.-J.; Eckert R.: Das Dampf/Flüssigkeits-Phasengleichgewicht binärer Mischungen mit Methanol oder Ethanol als einer Komponente. Z.Phys.Chem.(München) 175 (1992) 217-234
Zielkiewicz J.: Part 1. The N-methylpyrrolidinone + ethanol mixture at T = 313.15 K: thermodynamic results and molecular dynamics caclulation. Phys.Chem.Chem.Phys. (PCCP) 5 (2003) 1619-1630

Vapor-Liquid Equilibrium Data Overview


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