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 14866

Components

No. Formula Molar Mass CAS Registry Number Name
1 CH4O 32.042 67-56-1 Methanol
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
2.6904 0.05000
4.710 0.10200
5.030 0.11200
6.679 0.14800
9.401 0.19900
12.370 0.24500
12.690 0.25100
16.560 0.30700
22.270 0.38600
30.270 0.47900
34.360 0.52300
42.950 0.60800
46.900 0.64300
51.090 0.67900
58.710 0.75100
62.530 0.78100
69.500 0.84600
72.590 0.87700
75.250 0.90200
77.720 0.92300
82.931 0.98000
84.590 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 24869

Components

No. Formula Molar Mass CAS Registry Number Name
1 CH4O 32.042 67-56-1 Methanol
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] y1 [mol/mol]
1.455 0.08000 0.91380
3.266 0.17270 0.96520
4.563 0.22930 0.97710
6.603 0.30760 0.98630
8.002 0.35470 0.98970
9.744 0.40780 0.99260
11.902 0.46710 0.99480
13.432 0.50640 0.99590
16.381 0.57610 0.99730
18.035 0.61350 0.99790
18.791 0.63020 0.99810
20.493 0.66730 0.99850
22.690 0.71310 0.99890
23.606 0.73260 0.99910
26.613 0.79510 0.99940
28.736 0.84060 0.99960
30.083 0.87080 0.99970
31.755 0.90840 0.99980
32.831 0.93410 0.99990
32.951 0.93710 0.99990
34.377 0.97220 1.00000

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

Reference

Source
Zielkiewicz J.: Part 2. The N-methylpyrrolidinone + methanol mixture at T = 313.15 K: thermodynamic results and molecular dynamics caclulation. Phys.Chem.Chem.Phys. (PCCP) 5 (2003) 3193-3201


Vapor-Liquid Equilibrium Data Set 25424

Components

No. Formula Molar Mass CAS Registry Number Name
1 CH4O 32.042 67-56-1 Methanol
2 C5H9NO 99.133 872-50-4 N-Methyl-2-pyrrolidone
Search the DDB for all data of this mixture

Constant Value

Temperature 393.19 K

Data Table

P [kPa] x1 [mol/mol]
7.719 0.00000
21.620 0.04404
42.141 0.10590
72.841 0.18745
114.520 0.27877
169.490 0.38069
237.430 0.48783
303.580 0.58874
330.419 0.62144
361.120 0.66244
421.520 0.73531
480.840 0.80457
531.060 0.86303
569.980 0.90964
597.620 0.94340
616.260 0.96702
629.090 0.98359
636.020 0.99276
638.470 0.99614
640.521 0.99870
641.421 1.00000

(P - pressure, x - liquid mole fraction)

Reference

Source
Horstmann S.; Fischer K.; Gmehling J.: Isothermal Vapor-Liquid Equilibrium and Excess Enthalpy Data for the Binary Systems Water + Sulfolane and Methanol + N-Methyl-2-pyrrolidone. J.Chem.Eng.Data 49 (2004) 1499-1503

Diagrams

Vapor-Liquid Equilibrium of Methanol+N-Methyl-2-pyrrolidone
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Vapor-Liquid Equilibrium of Methanol+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 2. The N-methylpyrrolidinone + methanol mixture at T = 313.15 K: thermodynamic results and molecular dynamics caclulation. Phys.Chem.Chem.Phys. (PCCP) 5 (2003) 3193-3201
Horstmann S.; Fischer K.; Gmehling J.: Isothermal Vapor-Liquid Equilibrium and Excess Enthalpy Data for the Binary Systems Water + Sulfolane and Methanol + N-Methyl-2-pyrrolidone. J.Chem.Eng.Data 49 (2004) 1499-1503

Vapor-Liquid Equilibrium Data Overview


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