Development of a superstructure optimization framework with heat integration for the production of biodiesel

Thien An Huynh*, Meik B. Franke, Edwin Zondervan

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

This work presents a superstructure for maximizing the annual profit of biodiesel production with Advanced Interactive Multidimensional Modeling System (AIMMS). The novelty features are the combination of pinch-based heat integration with a wide range of biodiesel feedstocks and the application of superstructure to evaluate the effect of uncertainties on the optimized design. The case study is a pilot refinery with the infeed capacity of 8000 tonnes feedstock per year. The biodiesel production route from tallow with reactive distillation technology and a heterogeneous acid catalyst has the highest total annual profit of 3.5 million USDs. The heating and cooling utilities can be reduced by 30 » % with the heat integration. The result from the sensitivity analysis shows that the biodiesel and feedstock prices, and the production capacity have the most pronounced effects. From technical assessment, the reactive distillation process is the best choice for biodiesel production from different feedstocks.

Original languageEnglish
JournalChemical Product and Process Modeling
DOIs
Publication statusE-pub ahead of print/First online - 19 Jan 2024

Keywords

  • AIMMS
  • biodiesel
  • glycerol
  • optimization
  • process intensification
  • superstructure
  • NLA

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