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Revista de Chimie (Rev. Chim.), Year 2008, Volume 59, Issue 2, 231-242

https://doi.org/10.37358/RC.08.2.1740

Florin Oprea, Ionut Stoica

Production of Anhydrous Ethanol Using Azeotropic Distillation with Petroleum Cuts or Gasoline Pool

Abstract:

It is now a fact that biofuels have a certain future, whether it is about “biodiesel” or “bioethanol”. EU intends to impose continuous increase of biofuels proportion in commercial products. Ethanol can be used “per se” in commercial gasoline (in different proportions) or can be used instead of methanol in etherification reaction. In both cases it is necessary to use anhydrous ethanol. There are several drying processes: azeotropic distillation, extractive distillation, pressure swing distillation, and adsorption. Present work proposes azeotropic distillation using like entrainer petroleum cuts or commercial gasoline pool. Finally, anhydrous ethanol contains hydrocarbons in several proportions and can be used like commercial gasoline component. The main advantage of this process is that the separation alcohol-hydrocarbons is not so tight, resulting important reducing of the energy consumption in process. There is used a rigorous thermodynamic model as the results are very trusted.

Keywords:
biofuels; azeotropic distillation; extractive distillation

Issue: 2008, Volume 59, Issue 2
Pages: 231-242
Publication date: 2008/3/9
https://doi.org/10.37358/RC.08.2.1740
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