Research Article
Vapor-Liquid Equilibrium of Carbon Dioxide + Ethanol: Experimental Measurements with Acoustic Method and Thermodynamic Modeling
Table 14
Bubble pressure experimental (BPexp) versus calculated at 323.2 K.
| | BPexp (MPa) | exp | PR-MKP | PR quadratic | SAFT-ConvexBody | Conventional SAFT | | BPcalc (MPa) | ARD | BPcalc (MPa) | ARD | BPcalc (MPa) | ARD | BPcalc (MPa) | ARD |
| | 3.88 | 0.2074 | 4.09 | 0.0540 | 3.58 | 0.0773 | 4.50 | 0.1592 | 4.31 | 0.1108 | | 5.48 | 0.3097 | 5.70 | 0.0399 | 5.16 | 0.0582 | 5.93 | 0.0823 | 5.79 | 0.0572 | | 6.97 | 0.4110 | 6.96 | 0.0020 | 6.56 | 0.0593 | 6.93 | 0.0059 | 6.91 | 0.0086 | | 8.03 | 0.5014 | 7.75 | 0.0350 | 7.57 | 0.0568 | 7.54 | 0.0604 | 7.64 | 0.0486 | | 8.42 | 0.6109 | 8.36 | 0.0073 | 8.45 | 0.0042 | 8.13 | 0.0340 | 8.28 | 0.0163 | | 8.61 | 0.7095 | 8.70 | 0.0099 | 8.86 | 0.0292 | 8.68 | 0.0088 | 8.70 | 0.0110 | | 8.99 | 0.8072 | 8.98 | 0.0015 | 8.98 | 0.0006 | 9.41 | 0.0465 | 9.02 | 0.0029 |
|
|
: liquid phase molar fraction.
: vapor phase molar fraction.
|
