Thermodynamics Research Center / ThermoML | Journal of Chemical and Engineering Data

Solubility of Hexane in Aqueous Solutions of Methyldiethanolamine

Alhseinat, E.[Emad], Danon, R.[Rana], Peters, C.[Cornelis], Banat, F.[Fawzi]
J. Chem. Eng. Data 2015, 60, 11, 3101-3105
ABSTRACT
This paper presents new experimental solubility data of hexane in aqueous amine solutions. A set of simple thermodynamics equilibrium cells were used to measure the solubility of hydrocarbons in aqueous amine systems in the range 298 K to 333 K. Analyses of aqueous liquid samples are performed using a gas chromatograph. It was observed that hexane solubility in methyldiethanolamine (MDEA) solutions increased with increasing temperature. Also, increasing amine concentration in the test solution increased the solubility of hexane. A simple model is developed in order to represent the activity coefficient of hexane in the aqueous MDEA solution in the range of 40 wt % to 50 wt % MDEA.
Compounds
# Formula Name
1 C6H14 hexane
2 C5H13NO2 N-methyldiethanolamine
3 H2O water
Datasets
The table above is generated from the ThermoML associated json file (link above). POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied; the numbers refer to the table of compounds on the left.
Type Compound-# Property Variable Constraint Phase Method #Points
  • POMD
  • 2
  • 1
  • 3
  • Mole fraction - 1 ; Liquid mixture 1
  • Solvent: Mass fraction - 2; Liquid mixture 1
  • Temperature, K; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • Chromatography
  • 12