| Titre : | Improved drying in a pulsation-assisted fluidized bed (2009) |
| Auteurs : | Ali Akhavan, Éditeur scientifique ; J. Ruud van Ommen, Éditeur scientifique ; John Nijenhuis, Éditeur scientifique |
| Type de document : | Article : texte imprimé |
| Dans : | Industrial & engineering chemistry research (Vol. 48 N°1, Janvier 2009) |
| Article en page(s) : | P. 302-309 |
| Note générale : | Chemical engineering |
| Langues : | Anglais |
| Tags : | Pulsation-assisted fluidized Gas flow |
| Résumé : | Gas flow pulsation was employed to improve the drying of porous pharmaceutical granules in a cylindrical fluidized bed. In our approach, a fraction of the total flow was oscillating intermittently and periodically, typically at 3 Hz during 2 min and remaining constant during the other 2 min of each 4 min cycle. It was found that such pulsation-assisted fluidization not only shortened the total drying time but also enhanced homogeneity. A transition in fluidization behavior, reflected by a distinct transition in the bed dominant frequencies, was observed. |
| En ligne : | http://pubs.acs.org/doi/abs/10.1021/ie800458h |
