Plant-Wide Control of a Reactive Distillation Column on Biodiesel Production

  • Alejandro Regalado-MéndezEmail author
  • Rubí Romero
  • Reyna Natividad
  • Sigurd Skogestad
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 466)


An economical plant-wide control has been designed and implemented for biodiesel production by reactive distillation. Two available degrees of freedom have been assigned, to control the active constraints. The main conclusions were: (1) the optimal operation with lower value of the cost function (−946.72 USD/min) was established with liquid reflux, vapor stream, and feed flow molar ratio Methanol/Triglycerides of 8.43 kmol/min, 4.52 kmol/min, and 333:25, respectively. Additionally, the Biodiesel European Quality Standards were largely satisfied (Total Glycerol 0.25 wt%), even it exists an over purification, (2) the plant-wide control designed presented an adequate performance, maintaining stable and robust to disturbances and set-point changes, as it always reaches requested reference. Finally, in this study, the Tyreus-Luyben tuning method was the best tuning method, as it takes the least of time to reach the steady state.


Biodiesel Daes Reactive distillation Plant-wide control 



The authors are grateful to PRODEP (before PROMEP) for the scholarship through PROMEP/103.5/10/5552.


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Authors and Affiliations

  • Alejandro Regalado-Méndez
    • 1
    • 2
    Email author
  • Rubí Romero
    • 2
  • Reyna Natividad
    • 2
  • Sigurd Skogestad
    • 3
  1. 1.Universidad Del Mar, Ciudad Universitaria S/NOaxacaMexico
  2. 2.Centro Conjunto de Investigación en Química Sustentable UAEMex-UNAMUnidad San Calletano Km 14.5 Carretera Toluca-AtlacomulcoTolucaMexico
  3. 3.Norwegian University of Science and TechnologyTrondheimNorway

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