Dortmund Data Bank

Excess Enthalpy 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.


Enthalpy of Mixing Data Set 15580

Components

No. Formula Molar Mass CAS Registry Number Name
1 C6H6 78.114 71-43-2 Benzene
2 C2H6O2 62.068 107-21-1 1,2-Ethanediol
Search the DDB for all data of this mixture

Miscibility gap: Yes

Constant Value

Temperature 363.150 K
Pressure 16.520 bar

Data Table

hE [J/mol] x1 [mol/mol]
94.000 0.01570
191.000 0.03170
353.000 0.06470
393.000 0.09900
403.000 0.13470
404.000 0.17190
405.000 0.21070
405.000 0.25110
406.000 0.29340
407.000 0.33750
409.000 0.38380
407.000 0.43220
407.000 0.48300
407.000 0.53630
408.000 0.59240
408.000 0.65140
411.000 0.71360
411.000 0.77920
411.000 0.84860
413.000 0.92210
413.000 0.96050

(hE - excess enthalpy, x - liquid mole fraction)

Reference

Source
Wittig R.; Lohmann J.; Joh R.; Horstmann S.; Gmehling J.: Vapor-Liquid Equilibria and Enthalpies of Mixing in a Temperature Range from 298.15 to 413.15 K for the Further Development of Modified UNIFAC (Dortmund). Ind.Eng.Chem.Res. 40 (2001) 5831-5838


Enthalpy of Mixing Data Set 15581

Components

No. Formula Molar Mass CAS Registry Number Name
1 C6H6 78.114 71-43-2 Benzene
2 C2H6O2 62.068 107-21-1 1,2-Ethanediol
Search the DDB for all data of this mixture

Miscibility gap: Yes

Constant Value

Temperature 413.150 K
Pressure 13.760 bar

Data Table

hE [J/mol] x1 [mol/mol]
138.000 0.01570
280.000 0.03170
557.000 0.06470
823.000 0.09900
972.000 0.13470
991.000 0.17190
1006.000 0.21060
1022.000 0.25110
1035.000 0.29330
1050.000 0.33750
1085.000 0.43220
1107.000 0.48290
1129.000 0.53630
1151.000 0.59230
1178.000 0.65130
1200.000 0.71350
1231.000 0.77920
1256.000 0.84860
1288.000 0.92210
815.000 0.96040

(hE - excess enthalpy, x - liquid mole fraction)

Reference

Source
Wittig R.; Lohmann J.; Joh R.; Horstmann S.; Gmehling J.: Vapor-Liquid Equilibria and Enthalpies of Mixing in a Temperature Range from 298.15 to 413.15 K for the Further Development of Modified UNIFAC (Dortmund). Ind.Eng.Chem.Res. 40 (2001) 5831-5838


Enthalpy of Mixing Data Set 21678

Components

No. Formula Molar Mass CAS Registry Number Name
1 C6H6 78.114 71-43-2 Benzene
2 C2H6O2 62.068 107-21-1 1,2-Ethanediol
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 298.150 K

Data Table

hE [cal/mol] x1 [mol/mol]
16.710 0.04100

(hE - excess enthalpy, x - liquid mole fraction)

Reference

Source
Könnecke H.-G.; Steinert H.; Leibnitz E.: Über die Mischungswärmen binärer flüssiger Systeme am Beispiel Benzol/Glykole und Wasser/Glykole. Z.Phys.Chem.(Leipzig) 208 (1957) 147-156

Diagrams

Excess Enthalpies of 1,2-Ethanediol+Benzene
See larger image

List of All References

Source
Könnecke H.-G.; Steinert H.; Leibnitz E.: Über die Mischungswärmen binärer flüssiger Systeme am Beispiel Benzol/Glykole und Wasser/Glykole. Z.Phys.Chem.(Leipzig) 208 (1957) 147-156
Wittig R.; Lohmann J.; Joh R.; Horstmann S.; Gmehling J.: Vapor-Liquid Equilibria and Enthalpies of Mixing in a Temperature Range from 298.15 to 413.15 K for the Further Development of Modified UNIFAC (Dortmund). Ind.Eng.Chem.Res. 40 (2001) 5831-5838

Excess Enthalpy Data Overview


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