A HETEROGENEOUS BIODIESEL PRODUCTION KINETIC MODEL

  • M. M. González-Brambila Universidad Autónoma Metropolitana-Azcapotzalco
  • J. A. Montoya de la Fuente Instituto Mexicano del Petróleo. DIyP
  • O. González-Brambila Centro de Ingeniería y Desarrollo Industrial
  • F. López-Isunza Universidad Autónoma Metropolitana-Iztapalapa
Keywords: biodiesel, kinetic modeling, transesterification, batch reactor, kinetic

Abstract

This work presents a heterogeneous dynamic model for the production of biodiesel using palmitic triglyceride and methanol as raw materials. Triglycerides are the main compounds in vegetable oils and when its total is beyond 97%, it is possible to produce biodiesel by means of a basic transesterification employing sodium hydroxide as a catalyst. The model takes into account that triglycerides are not soluble in alcohol so two liquid phases exist in the batch reactor, causing the reaction to occur in the triglyceride-methanol interphase. Results show that the model successfully calculates the concentration profile of triglyceride, alcohol and biodiesel in time as well as the intermediaries’ products in the reactor. It also predicts concentration profiles at different temperatures in accordance to the Arrhenius’ Law.

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Published
2020-02-10
How to Cite
González-Brambila, M. M., Montoya de la Fuente, J. A., González-Brambila, O., & López-Isunza, F. (2020). A HETEROGENEOUS BIODIESEL PRODUCTION KINETIC MODEL. Revista Mexicana De Ingeniería Química, 13(1), 311-322. Retrieved from http://rmiq.org/ojs311/index.php/rmiq/article/view/1320
Section
Biotechnology