Abstract
:A polymeric membrane (PERVAP® 2201) was used to study permselectivity and flux of water from esterification mixtures at different temperatures (30°C-90°C) and compositions. The pervaporation flux of water from binary mixtures such as butyl acetate/H2O, butanol/H2O, and acetic acid/H2O was accurately predicted by using a solution-diffusion model with concentration-dependent diffusion coefficients. Furthermore, on the basis of a lower activation energy of diffusion and higher (lux for water, we concluded that butyl acetate production can be enhanced significantly by inserting a reactor membrane (PERVAP® 2201)in the esterification process.
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