ABSTRACT

The SLLV phase equilibria of the water+NaCl+2-propanol mixture have been determined experimentally at 101.3kPa by means of a modified recirculating still. The results obtained allow us to study the shape of the phase diagram of the system, to analyze the evolution with temperature of this equilibrium diagram and to show the differences with a similar system such as water+NaCl+1-propanol. Moreover, the experimental data obtained have been compared with previously published data showing their important inconsistencies and presenting the rules that must be met by the experimental equilibrium data of water+non-volatile salt+organic solvent type systems in each one of the different SLLV, LLV and SLV equilibrium regions.

Compounds

#	Formula	Name
1	ClNa	sodium chloride
2	C3H8O	propan-2-ol
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	1 2 3	Mole fraction - 1 ; Liquid	Temperature, K; Liquid Mole fraction - 3; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 1	Gravimetric method	19
POMD	1 2 3	Mole fraction - 2 ; Liquid Mole fraction - 2 ; Gas Mole fraction - 3 ; Gas	Temperature, K; Liquid Mole fraction - 3; Liquid	Pressure, kPa; Liquid	Liquid Gas	Chromatography Chromatography Chromatography	43
POMD	1 2 3	Mole fraction - 3 ; Liquid mixture 2 Mole fraction - 3 ; Liquid mixture 1 Mole fraction - 2 ; Liquid mixture 1	Temperature, K; Liquid mixture 1 Mole fraction - 2; Liquid mixture 2	Pressure, kPa; Liquid mixture 2	Liquid mixture 2 Liquid mixture 1	Chromatography Chromatography Chromatography	8
POMD	2 3	Boiling temperature at pressure P, K ; Liquid	Mole fraction - 3; Liquid	Pressure, kPa; Liquid	Liquid Gas	Ebulliometric method (Recirculating still)	3
POMD	2 3	Mole fraction - 3 ; Gas	Mole fraction - 3; Liquid	Pressure, kPa; Liquid	Gas Liquid	Chromatography	3

Thermodynamics Research Center / ThermoML | Journal of Chemical Thermodynamics

Consistency of experimental data in SLLV equilibrium of ternary systems with electrolyte. Application to the water + NaCl + 2-propanol system at 101.3 kPa

Garcia-Cano, Jorge, Gomis, Alejandro, Font, Alicia, Saquete, Maria Dolores, Gomis, Vicente

ABSTRACT