Abstract
The kinetics of the etherification of tert-amyl alcohol with ethanol, catalysed by a strong ion-exchange resin, Amberlyst 15, has been studied in a batch reactor at temperatures between 323 and 353 K and at a pressure of 0.8 MPa . The kinetics was described by a coupled sorption–reaction model. Flory–Huggins (F–H) model was used to predict the solubility of reaction components in the resin phase at 278 K (non-reactive conditions). Both sorption interaction parameters of F–H model and kinetic constants were determined by non-linear least-squares method. Langmuir–Hinshelwood (L–H) and power law (PL) kinetic models were compared with the experimental data. Although both the models were found to be equally successful, L–H model has shown a slightly better representation than PL model.
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