The phase behavior of the binary systems consisting of the organic solvent diethyl methylphosphonate (DEMP) and the gases carbon dioxide (CO2) and methane (CH4) is experimentally studied. A synthetic method is used to measure the solubilities. Bubble-point pressures of the system DEMP + CO2 are reported for CO2 concentrations ranging from (15.40 to 86.44) mole % and within a temperature range of (283.4 to 338.1) K and compared to the limited experimental data in the literature. Also, bubble-point pressures of the system DEMP + CH4 are reported for CH4 concentrations ranging from (5.17 to 15.30) mole % and within a temperature range of (283.2 to 358.5) K, which have never been measured before. The solubilities of CH4 are much lower than the solubilities of CO2 in DEMP. Moreover, the temperature has a much larger influence on the CO2 solubility in DEMP compared to the effect of temperature on the CH4 solubility.
Compounds
#
Formula
Name
1
C5H13O3P
O,O-diethyl methylphosphonate
2
CO2
carbon dioxide
3
CH4
methane
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.