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 29936

Components

No. Formula Molar Mass CAS Registry Number Name
1 H2O 18.015 7732-18-5 Water
2 C4H10O 74.123 71-36-3 1-Butanol
3 C5H9NO 99.133 872-50-4 N-Methyl-2-pyrrolidone
Search the DDB for all data of this mixture

Constant Value

Temperature 382.64 K

Data Table

P [kPa] x1 [mol/mol] x2 [mol/mol]
22.980 0.14811 0.00000
23.070 0.14790 0.00145
23.070 0.14787 0.00161
23.110 0.14778 0.00221
23.150 0.14768 0.00289
23.210 0.14752 0.00400
23.320 0.14713 0.00659
23.630 0.14634 0.01198
24.250 0.14449 0.02443
25.130 0.14216 0.04020
26.220 0.13909 0.06088
28.000 0.13424 0.09368
30.960 0.12625 0.14758
34.620 0.11672 0.21193
39.790 0.10378 0.29933
46.110 0.08885 0.40012
51.800 0.07579 0.48832
56.840 0.06471 0.56308

(P - pressure, x - liquid mole fraction)

Reference

Source
Strotmann B.: Experimentelle Bestimmung von Dampf-Flüssig-Phasengleichgewichten sowie Mischungsenthalpien und simultane Korrelation der Meßergebnisse unter Verwendung von gE-Modellen. Master's Thesis (1996)

List of All References

Source

Vapor-Liquid Equilibrium Data Overview


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