Research Article
Vapor-Liquid Equilibrium of Carbon Dioxide + Ethanol: Experimental Measurements with Acoustic Method and Thermodynamic Modeling
Table 11
Bubble pressure experimental (BPexp) versus calculated at 298.2 K.
| | BPexp (MPa) | exp | PR-MKP | PR quadratic | SAFT-ConvexBody | Conventional SAFT | | BPcalc (MPa) | ARD | BPcalc (MPa) | ARD | BPcalc (MPa) | ARD | BPcalc (MPa) | ARD |
| | 2.79 | 0.2078 | 2.59 | 0.0720 | 2.47 | 0.1154 | 3.12 | 0.1195 | 3.02 | 0.0828 | | 3.88 | 0.3094 | 3.71 | 0.0427 | 3.57 | 0.0802 | 4.05 | 0.0439 | 3.98 | 0.0264 | | 4.67 | 0.4117 | 4.63 | 0.0090 | 4.50 | 0.0370 | 4.65 | 0.0035 | 4.65 | 0.0036 | | 5.14 | 0.5108 | 5.23 | 0.0177 | 5.15 | 0.0027 | 5.02 | 0.0228 | 5.08 | 0.0107 | | 5.44 | 0.6110 | 5.54 | 0.0178 | 5.52 | 0.0148 | 5.28 | 0.0280 | 5.37 | 0.0132 | | 5.62 | 0.7093 | 5.62 | 0.0002 | 5.62 | 0.0001 | 5.53 | 0.0157 | 5.55 | 0.0119 | | 5.64 | 0.8074 | 5.64 | 0.0000 | 5.61 | 0.0046 | 5.82 | 0.0319 | 5.69 | 0.0084 |
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: liquid phase molar fraction.
: vapor phase molar fraction.
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