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Details van artikel 9 van 17 gevonden artikelen
| Titel: |
MASS TRANSFER IN A SEMIBATCH SUPERCRITICAL FLUID EXTRACTION CONTACTOR FOR LIQUID MIXTURES |
| Auteur: |
Bartolomeo, Guido Bertucco, Alberto Guarise, Gian Berto |
| Verschenen in: |
Chemical engineering communications |
| Paginering: | Jaargang 95 (1990) nr. 1 pagina's 57-73 |
| Jaar: |
1990-09-01 |
| Inhoud: |
The problem of mass transfer in a semibatch Supercritical Fluid Extraction contactor for liquid mixtures has been considered both theoretically and experimentally. The multicomponent mass transfer model is applied to the case of a gaseous solvent rising through the liquid to be extracted. The results obtained with this model are compared with those calculated by using a liquid-liquid extraction model recently extended to supercritical extraction contactors. A simplified model is developed and all of the models considered are tested on the basis of experimental data points. Experiments are carried out in a semi-batch pilot-size apparatus and results are presented for the systems Ethanol-Water-CO2 at 17.0 MPa, 308 K and Isopropanol-Water-CO2 at 10.3 MPa, 313 K. Models based on the gas-liquid extraction approach are capable of representing the concentration versus time profiles at the extractor, while the liquid-liquid approach predicts lower extraction effectiveness. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 9 van 17 gevonden artikelen
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