Table 1. Experimental and Predicted Solubility of Supercritical CO2 in PS.
| experimental
values (g·g–1) |
||||||||
|---|---|---|---|---|---|---|---|---|
| temperature (K) | pressure (MPa) | Mw = 105 | Mw = 1.87 × 105 | Mw = 3.30 × 105 | theoretical values (g·g–1) | relative error 1 (%) | relative error 2 (%) | relative error 3 (%) |
| 443.15 | 7.5 | 0.02843 | 0.02785 | 0.02727 | 0.02524 | 11.221 | 9.372 | 7.444 |
| 8.5 | 0.03298 | 0.03221 | 0.03375 | 0.02946 | 10.673 | 8.538 | 12.711 | |
| 9.5 | 0.03696 | 0.03679 | 0.03662 | 0.03321 | 10.146 | 9.731 | 9.312 | |
| 10.5 | 0.04211 | 0.04147 | 0.04095 | 0.03756 | 10.805 | 9.429 | 8.278 | |
| 453.15 | 7.5 | 0.02621 | 0.02599 | 0.02577 | 0.02411 | 8.012 | 7.234 | 6.442 |
| 8.5 | 0.03081 | 0.03071 | 0.03059 | 0.02731 | 11.360 | 11.071 | 10.722 | |
| 9.5 | 0.03323 | 0.03309 | 0.03295 | 0.03051 | 8.185 | 7.797 | 7.405 | |
| 10.5 | 0.03845 | 0.03831 | 0.03791 | 0.03466 | 9.862 | 9.524 | 8.563 | |
| 463.15 | 7.5 | 0.02511 | 0.02434 | 0.02376 | 0.02307 | 8.124 | 5.218 | 2.904 |
| 8.5 | 0.02932 | 0.02921 | 0.02909 | 0.02654 | 9.482 | 9.141 | 8.766 | |
| 9.5 | 0.03123 | 0.03112 | 0.03101 | 0.02842 | 8.998 | 8.676 | 8.352 | |
| 10.5 | 0.03617 | 0.03605 | 0.03576 | 0.03210 | 11.257 | 10.965 | 10.247 | |
| 473.15 | 7.5 | 0.02408 | 0.02393 | 0.02379 | 0.02195 | 8.853 | 8.267 | 7.734 |
| 8.5 | 0.02787 | 0.02771 | 0.02759 | 0.02493 | 10.537 | 10.025 | 9.637 | |
| 9.5 | 0.03140 | 0.03122 | 0.03108 | 0.02736 | 12.862 | 12.357 | 11.968 | |
| 10.5 | 0.03266 | 0.03252 | 0.03234 | 0.02958 | 9.428 | 9.037 | 8.531 | |