ABSTRACT

The solubilities of carbon dioxide (CO2) in the renewable deep eutectic solvents (DESs) containing levulinic acid (or furfuryl alcohol) and choline chloride were determined at temperatures (303.15, 313.15, 323.15, and 333.15) K and pressures up to 600.0 kPa using an isochoric saturation method. The mole ratios of levulinic acid (or furfuryl alcohol) to choline chloride were fixed at 3:1, 4:1 and 5:1. Standard Gibbs free energy, dissolution enthalpy and dissolution entropy were calculated from Henry s law constant of CO2 in the DESs. Results indicated that levulinic acid based DESs are more effective to capture CO2 than furfuryl alcohol based ones. The solubility of CO2 in the DESs increased with increasing mole ratio of levulinic acid (or furfuryl alcohol) to choline chloride as well as pressure and decreased with increasing temperature.

Compounds

#	Formula	Name
1	CO2	carbon dioxide
2	C5H14ClNO	choline chloride
3	C5H8O3	4-oxopentanoic acid
4	C5H6O2	2-hydroxymethylfuran

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 3	Eutectic temperature, K ; Crystal - 2			Crystal - 2 Crystal - 3 Liquid Air at 1 atmosphere	DTA	1
POMD	2 3	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Mole fraction - 3; Liquid	Pressure, kPa; Liquid	Liquid	Pycnometric method	12
POMD	2 3	Vapor or sublimation pressure, kPa ; Liquid	Mole fraction - 3; Liquid	Temperature, K; Liquid	Liquid Gas	Rate of evaporation	3
POMD	2 4	Eutectic temperature, K ; Crystal - 2			Crystal - 2 Crystal - 4 Liquid Air at 1 atmosphere	DTA	1
POMD	2 4	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Mole fraction - 4; Liquid	Pressure, kPa; Liquid	Liquid	Pycnometric method	12
POMD	2 4	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid Mole fraction - 4; Liquid		Liquid Gas	Rate of evaporation	12
POMD	2 3 1	Mole fraction - 1 ; Liquid	Solvent: Mole fraction - 3; Liquid Temperature, K; Liquid Pressure, kPa; Liquid		Liquid Gas	Volumetric	72
POMD	2 4 1	Mole fraction - 1 ; Liquid	Solvent: Mole fraction - 4; Liquid Temperature, K; Liquid Pressure, kPa; Liquid		Liquid Gas	Volumetric	72

Thermodynamics Research Center / ThermoML | Journal of Chemical Thermodynamics

Solubilities of carbon dioxide in the eutectic mixture of levulinic acid (or furfuryl alcohol) and choline chloride

Lu, M.[Meizhen], Han, G.[Guoqiang], Jiang, Y.[Yaotai], Zhang, X.[Xudong], Deng, D.[Dongshun], Ai, N.[Ning]

ABSTRACT