ABSTRACT

The vapor liquid equilibrium data for the systems: ethyl palmitate + ethyl stearate at 5332.9 Pa, ethyl palmitate + ethyl oleate at 5332.9 Pa and 9332.6 Pa and ethyl palmitate + ethyl linoleate at 9332.6 Pa were determined by differential scanning calorimetry (DSC). The esters used in this study are the major components of biodiesel obtained from the transesterification of soybean oil with ethanol. According to the results, DSC is appropriate for determining the vapor liquid equilibrium of binary systems. The binary interaction parameters of the models Wilson, NRTL and UNIQUAC were fitted to the experimental data obtained in this study.

Compounds

#	Formula	Name
1	C18H36O2	ethyl hexadecanoate
2	C20H40O2	ethyl octadecanoate
3	C20H38O2	ethyl (Z)-9-octadeceneoate
4	C20H36O2	ethyl linoleate
5	C15H30O2	methyl tetradecanoate
6	C17H34O2	methyl hexadecanoate

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	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid		Liquid Gas	OTHER::sMethod:DSC	2
POMD	2	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid		Liquid Gas	OTHER::sMethod:DSC	1
POMD	3	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid		Liquid Gas	OTHER::sMethod:DSC	2
POMD	4	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid		Liquid Gas	OTHER::sMethod:DSC	1
POMD	5	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid		Liquid Gas	OTHER::sMethod:DSC	1
POMD	6	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid		Liquid Gas	OTHER::sMethod:DSC	1
POMD	6 5	Boiling temperature at pressure P, K ; Liquid	Mole fraction - 5; Liquid	Pressure, kPa; Liquid	Liquid Gas	DSC	6
POMD	2 1	Boiling temperature at pressure P, K ; Liquid	Mole fraction - 1; Liquid	Pressure, kPa; Liquid	Liquid Gas	DSC	9
POMD	3 1	Boiling temperature at pressure P, K ; Liquid	Pressure, kPa; Liquid Mole fraction - 1; Liquid		Liquid Gas	DSC	22
POMD	4 1	Boiling temperature at pressure P, K ; Liquid	Mole fraction - 1; Liquid	Pressure, kPa; Liquid	Liquid Gas	DSC	11

Thermodynamics Research Center / ThermoML | Thermochimica Acta

Vapor liquid equilibrium of fatty acid ethyl esters determined using DSC

Silva, L. Y. A.[Luciana Y. Akisawa], Falleiro, R. M. M.[Rafael M. Matricarde], Meirelles, A. J. A.[Antonio J. A.], Krahenbuhl, M. A.[Maria A.]

ABSTRACT