Ethanolic Biodiesel Production: A Comparative Study between a Plug Flow Reactor and Reactive Distillation

AUTOR(ES)

Silva, R. J. M. C. L., Souza, T. P. C., Silva, J. P., Pacheco, J. G. A., Silva, J. M. F.

FONTE

Braz. J. Chem. Eng.

DATA DE PUBLICAÇÃO

2017-07

RESUMO

Abstract The interest in biodiesel as an alternative source of energy has been extremely intensified by its use as a renewable and economically viable fuel. As a result, continuous production processes have been a requirement to supply growing demand. This work presents experimental and simulated results of two biodiesel production pilot plants and makes a comparison between the processes they use. The first one was designed with three plug flow reactors (PFRs) connected with recycle streams. The second one was composed of a reactive distillation process for biodiesel production. Repeated tests in Aspen Plus and Matlab showed that multiple PFRs with high volume are required for 98% ester conversion. However, a single unit of reactive distillation resulted in 99% conversion. In short, to produce large quantities of biodiesel this work indicates continuous reactive distillation as the most adequate process.

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