ABSTRACT

Liquid liquid phase equilibrium data for ternary systems containing formamide (or ethylene glycol (EG), monoethanolamine (MEA) + indole + 2-methylnaphthalene (2-MN) at 308.15 K under atmospheric pressure were measured in this work. The results show that all the three ternary systems are Treyball type 1 systems. The experimental data were correlated well using both the non-random two liquid (NRTL) model and universal quasi-chemical activity coefficient (UNIQUAC) model. In addition, both the distribution coefficient and selectivity coefficient of formamide, EG and MEA were calculated to investigate the feasibility of extracting indole from 2-MN and formamide presented a better selectivity.

Compounds

#	Formula	Name
1	CH3NO	formamide
2	C2H6O2	1,2-ethanediol
3	C2H7NO	2-aminoethan-1-ol
4	C8H7N	1H-indole
5	C11H10	2-methylnaphthalene

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	1	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid		Liquid	PYCNOM:airbuo	1
POMD	2	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid		Liquid	PYCNOM:airbuo	1
POMD	3	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid		Liquid	PYCNOM:airbuo	1
POMD	5	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid		Liquid	Unknown	1
POMD	1 5 4	Mole fraction - 1 ; Liquid mixture 2 Mole fraction - 4 ; Liquid mixture 1 Mole fraction - 1 ; Liquid mixture 1	Mole fraction - 4; Liquid mixture 2	Temperature, K; Liquid mixture 1 Pressure, kPa; Liquid mixture 1	Liquid mixture 2 Liquid mixture 1	Chromatography Chromatography Chromatography	12
POMD	5 2 4	Mole fraction - 2 ; Liquid mixture 2 Mole fraction - 4 ; Liquid mixture 1 Mole fraction - 2 ; Liquid mixture 1	Mole fraction - 4; Liquid mixture 2	Temperature, K; Liquid mixture 1 Pressure, kPa; Liquid mixture 1	Liquid mixture 2 Liquid mixture 1	Chromatography Chromatography Chromatography	14
POMD	5 4 3	Mole fraction - 3 ; Liquid mixture 2 Mole fraction - 4 ; Liquid mixture 1 Mole fraction - 3 ; Liquid mixture 1	Mole fraction - 4; Liquid mixture 2	Temperature, K; Liquid mixture 1 Pressure, kPa; Liquid mixture 1	Liquid mixture 2 Liquid mixture 1	Chromatography Chromatography Chromatography	10

Thermodynamics Research Center / ThermoML | Fluid Phase Equilibria

Liquid-liquid phase equilibrium for ternary mixtures of formamide (or ethylene glycol, or monoethanolamine) + indole + 2-methylnaphthalene at 308.15 K

Feng, Y.[Yang], Yang, E.[Entao], Dang, L.[Leping], Wei, H.[Hongyuan]

ABSTRACT