Research Article
Vapor-Liquid Equilibrium of Carbon Dioxide + Ethanol: Experimental Measurements with Acoustic Method and Thermodynamic Modeling
Table 12
Bubble pressure experimental (BPexp) versus calculated at 313.2 K.
| | BPexp (MPa) | exp | PR-MKP | PR quadratic | SAFT-ConvexBody | Conventional SAFT | | BPcalc (MPa) | ARD | BPcalc (MPa) | ARD | BPcalc (MPa) | ARD | BPcalc (MPa) | ARD |
| | 3.38 | 0.2074 | 3.50 | 0.0369 | 3.05 | 0.0981 | 3.90 | 0.1529 | 3.73 | 0.1043 | | 4.74 | 0.3097 | 4.89 | 0.0316 | 4.41 | 0.0688 | 5.10 | 0.0700 | 4.99 | 0.0524 | | 5.98 | 0.4110 | 5.96 | 0.0037 | 5.61 | 0.0619 | 5.93 | 0.0089 | 5.91 | 0.0112 | | 6.73 | 0.5014 | 6.61 | 0.0180 | 6.46 | 0.0403 | 6.42 | 0.0458 | 6.50 | 0.0339 | | 7.14 | 0.6109 | 7.08 | 0.0085 | 7.15 | 0.0014 | 6.88 | 0.0360 | 7.00 | 0.0189 | | 7.27 | 0.7095 | 7.32 | 0.0066 | 7.43 | 0.0221 | 7.30 | 0.0047 | 7.32 | 0.0074 | | 7.53 | 0.8072 | 7.52 | 0.0014 | 7.51 | 0.0020 | 7.83 | 0.0401 | 7.56 | 0.0034 |
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: liquid phase molar fraction.
: vapor phase molar fraction.
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