New experimental data are presented for the solubility of hydrogen sulfide in the ionic liquid 1-N-butyl-3-methylimidazolium hexafluorophosphate ([bmim][PF6]) at five temperatures in the range (298-403) K at pressures up to 9.6MPa. The ionic liquid [bmim][PF6] is a good solvent for hydrogen sulfide. At 9MPa the mole fraction H2S in the liquid is about 0.7. The solubility is a strong function of temperature; at 2MPa the solubility (mole fraction H2S) decreases from about 0.84 at 298K to about 0.2 at 403 K. The Krichevsky-Kasarnovsky equation was used to correlate the experimental data, and Henry's constants were obtained. The solution thermodynamic properties at standard temperature and pressure were calculated.
Compounds
#
Formula
Name
1
H2S
hydrogen sulfide
2
C8H15F6N2P
1-butyl-3-methylimidazolium hexafluorophosphate
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
Vapor or sublimation pressure, kPa ; Liquid mixture 1