Research Article
Vapor-Liquid Equilibrium of Carbon Dioxide + Ethanol: Experimental Measurements with Acoustic Method and Thermodynamic Modeling
Table 13
Bubble pressure experimental (BPexp) versus calculated at 318.2 K.
| | BPexp (MPa) | exp | PR-MKP | PR quadratic | SAFT-ConvexBody | Conventional SAFT | | BPcalc (MPa) | ARD | BPcalc (MPa) | ARD | BPcalc (MPa) | ARD | BPcalc (MPa) | ARD |
| | 3.65 | 0.2074 | 3.76 | 0.0288 | 3.41 | 0.0653 | 4.19 | 0.1474 | 4.05 | 0.1088 | | 5.12 | 0.3097 | 5.26 | 0.0271 | 4.89 | 0.0455 | 5.50 | 0.0746 | 5.41 | 0.0571 | | 6.45 | 0.4110 | 6.43 | 0.0024 | 6.14 | 0.0472 | 6.40 | 0.0070 | 6.42 | 0.0045 | | 7.30 | 0.5014 | 7.18 | 0.0159 | 7.04 | 0.0352 | 6.95 | 0.0387 | 7.07 | 0.0320 | | 7.78 | 0.6109 | 7.73 | 0.0574 | 7.78 | 0.0380 | 7.48 | 0.0006 | 7.62 | 0.0020 | | 7.97 | 0.7095 | 8.00 | 0.0038 | 8.09 | 0.0151 | 7.96 | 0.0465 | 7.98 | 0.0019 | | 8.21 | 0.8072 | 8.20 | 0.0008 | 8.20 | 0.0352 | 8.59 | 0.0474 | 8.25 | 0.0055 |
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: liquid phase molar fraction.
: vapor phase molar fraction.
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