ABSTRACT

In this paper, kinetic viscosities of the phosphoric acid + tributyl phosphate + methyl isobutyl ketone, and + aviation kerosene systems with the content of P2O5 in the range of (0 to 17) % and temperature from (10 to 50) deg C were presented. After data processing, kinetic viscosities were found well-correlated with temperature and concentration of P2O5, which can be demonstrated by linear regression equations. According to those equations, kinetic viscosities of the phosphoric acid + tributyl phosphate + methyl isobutyl ketone were compared with those of phosphoric acid + tributyl phosphate + aviation kerosene systems. The results showed that the dilution effect of methyl isobutyl ketone was better than that of aviation kerosene under the same temperature and concentration of P2O5. In addition, the concentration of P2O5 in the tributyl phosphate + methyl isobutyl ketone system can be higher than that in the tributyl phosphate + aviation kerosene system without any three-phase situation. So, there are many advantages for purifying wet-process phosphoric acid by solvent extraction with tributyl phosphate + methyl isobutyl ketone.

Compounds

#	Formula	Name
1	C12H27O4P	tributyl phosphate
2	C6H12O	4-methylpentan-2-one
3	H3O4P	phosphoric acid

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	Viscosity, Pa*s ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid		Liquid	CAPTUB:UFactor:8	1
POMD	2	Viscosity, Pa*s ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid		Liquid	CAPTUB:UFactor:8	1
POMD	2 1	Kinematic viscosity, m2/s ; Liquid	Temperature, K; Liquid Volume ratio of solute to solvent - 1; Liquid	Pressure, kPa; Liquid	Liquid	CAPTUB:UFactor:8	15
POMD	2 1	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Volume ratio of solute to solvent - 1; Liquid	Pressure, kPa; Liquid	Liquid	Pycnometric method	15
POMD	2 1 3	Kinematic viscosity, m2/s ; Liquid	Mass fraction - 3; Liquid Temperature, K; Liquid Solvent: Volume ratio of component to other component of binary solvent - 1; Liquid	Pressure, kPa; Liquid	Liquid	CAPTUB:UFactor:8	105
POMD	2 1 3	Mass density, kg/m3 ; Liquid	Mass fraction - 3; Liquid Temperature, K; Liquid Solvent: Volume ratio of component to other component of binary solvent - 1; Liquid	Pressure, kPa; Liquid	Liquid	Pycnometric method	105

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

Viscosity of the Tributyl Phosphate + Methyl Isobutyl Ketone + Phosphoric Acid System

Huang, M.[Meiying], Zhong, B.[Benhe], Li, J.[Jun]

ABSTRACT