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 1034

Components

No. Formula Molar Mass CAS Registry Number Name
1 H2O 18.015 7732-18-5 Water
2 C2H6O2 62.068 107-21-1 1,2-Ethanediol
Search the DDB for all data of this mixture

Constant Value

Pressure 101.33 kPa

Data Table

T [K] x1 [mol/mol] y1 [mol/mol]
448.95 0.030333 0.57499
411.75 0.11977 0.93894
400.75 0.19062 0.97603
394.75 0.23049 0.98181
388.95 0.35928 0.98212
380.45 0.56891 0.99110
375.95 0.74121 0.99530
373.95 0.79786 0.99737
374.65 0.88029 0.99825
375.65 0.92391 0.99884
373.65 0.96672 0.99942

(T - temperature, x - liquid mole fraction, y - vapor mole fraction)

Reference

Source
Kireev V.A.; Popov A.A.: Gleichgewicht in flüssigen Mischungen und Lösungen. I.Siedetemperaturen und Dampfzusammensetzung der wässrigen Lösungen von Ethylenglykol und Ethylenoxyd. Zh.Prikl.Khim. 7 (1934) 489-494


Vapor-Liquid Equilibrium Data Set 4730

Components

No. Formula Molar Mass CAS Registry Number Name
1 H2O 18.015 7732-18-5 Water
2 C2H6O2 62.068 107-21-1 1,2-Ethanediol
Search the DDB for all data of this mixture

Constant Value

Pressure 1.3332 kPa

Data Table

T [K] x1 [mol/mol] y1 [mol/mol]
360.15 0.00800 0.33200
359.15 0.01200 0.43700
350.25 0.02800 0.67900
339.45 0.05100 0.82900
335.95 0.07400 0.88000
335.15 0.10300 0.91700
326.65 0.14500 0.95000
320.35 0.19600 0.96900
308.25 0.31900 0.98700
302.35 0.39200 0.99200
296.65 0.51700 0.99580
295.15 0.59000 0.99710
293.45 0.64800 0.99780
292.65 0.70100 0.99830
291.55 0.75600 0.99870

(T - temperature, x - liquid mole fraction, y - vapor mole fraction)

Reference

Source
Sokolov N.M.; Tsygankova L.N.; Zhavoronkov N.M.: The Liquid - Vapor Equilibrium in the Water - Ethylene Glycol and Water - 1,2 - Proylene Glycol Systems at Various Pressures. Theor.Found.Chem.Eng. 5 (1971) 817-820


Vapor-Liquid Equilibrium Data Set 4731

Components

No. Formula Molar Mass CAS Registry Number Name
1 H2O 18.015 7732-18-5 Water
2 C2H6O2 62.068 107-21-1 1,2-Ethanediol
Search the DDB for all data of this mixture

Constant Value

Pressure 3.333 kPa

Data Table

T [K] x1 [mol/mol] y1 [mol/mol]
376.65 0.00900 0.30200
366.95 0.02400 0.56300
356.15 0.05300 0.77900
347.65 0.10000 0.89600
337.15 0.15200 0.94400
330.15 0.21800 0.97000
321.25 0.31500 0.98400
315.95 0.40400 0.99050
312.15 0.51000 0.99400
309.95 0.59800 0.99600
306.15 0.70600 0.99780
303.55 0.79500 0.99870

(T - temperature, x - liquid mole fraction, y - vapor mole fraction)

Reference

Source
Sokolov N.M.; Tsygankova L.N.; Zhavoronkov N.M.: The Liquid - Vapor Equilibrium in the Water - Ethylene Glycol and Water - 1,2 - Proylene Glycol Systems at Various Pressures. Theor.Found.Chem.Eng. 5 (1971) 817-820

Diagrams

Vapor-Liquid Equilibrium of 1,2-Ethanediol+Water
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Vapor-Liquid Equilibrium of 1,2-Ethanediol+Water
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List of All References

Source
Kireev V.A.; Popov A.A.: Gleichgewicht in flüssigen Mischungen und Lösungen. I.Siedetemperaturen und Dampfzusammensetzung der wässrigen Lösungen von Ethylenglykol und Ethylenoxyd. Zh.Prikl.Khim. 7 (1934) 489-494
Sokolov N.M.; Tsygankova L.N.; Zhavoronkov N.M.: The Liquid - Vapor Equilibrium in the Water - Ethylene Glycol and Water - 1,2 - Proylene Glycol Systems at Various Pressures. Theor.Found.Chem.Eng. 5 (1971) 817-820

Vapor-Liquid Equilibrium Data Overview


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