Improvement of Maximum Production in the Batch Transesterification Reactor of Biodiesel by Using Nonlinear Model Based Control

  • Arphaphon Chanpirak
  • Weerawun Weerachaipichasgul
Conference paper


To achieve a maximum production of biodiesel in the batch transesterification, an optimal operating condition and an effective control strategy are needed to improve the quality of product. An off-line optimization is prior determined by maximizing productivity for the batch transesterification to modify optimal temperature set point. Model based control, model predictive control (MPC) with an estimator has been implemented to drive the reactor temperature tracking to the desired profile. An extended Kalman filter (EKF) has been designed to estimate the uncertain parameter and unmeasurable states variable. In this work, improvement of batch transesterification process under uncertain parameters on the overall heat transfer coefficient has been proposed. Simulation results demonstrate that the EKF can still provide good estimates of the overall heat transfer coefficient and heat of reaction. The control performance of MPC is better than that of PID. Moreover, MPC with the EKF estimator can control the transesterification according to the optimal trajectory and then can achieve maximum product as determined. As a result, the MPC with EKF is still robust and applicable in real plants.


Batch reactor Biodiesel production Extended Kalman filter Model predictive control Non-linear model based control Optimization Transesterification reaction 


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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Arphaphon Chanpirak
    • 1
  • Weerawun Weerachaipichasgul
    • 1
  1. 1.Faculty of Engineering, Department of Industrial Engineering, Division of Chemical EngineeringNaresuan UniversityPhitsanulokThailand

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