Heterogeneous batch distillation processes: Real system optimisation

S. Pommier, S. Massebeuf, B. Kotai, P. Lang, O. Baudouin, P. Floquet, V. Gerbaud

Research output: Contribution to journalArticle

25 Citations (Scopus)


In this paper, optimisation of batch distillation processes is considered. It deals with real systems with rigorous simulation of the processes through the resolution full MESH differential algebraic equations. Specific software architecture is developed, based on the BatchColumn® simulator and on both SQP and GA numerical algorithms, and is able to optimise sequential batch columns as long as the column transitions are set. The efficiency of the proposed optimisation tool is illustrated by two case studies. The first one concerns heterogeneous batch solvent recovery in a single distillation column and shows that significant economical gains are obtained along with improved process conditions. Case two concerns the optimisation of two sequential homogeneous batch distillation columns and demonstrates the capacity to optimise several sequential dynamic different processes. For such multiobjective complex problems, GA is preferred to SQP that is able to improve specific GA solutions.

Original languageEnglish
Pages (from-to)408-419
Number of pages12
JournalChemical Engineering and Processing: Process Intensification
Issue number3
Publication statusPublished - Mar 1 2008


  • Batch distillation
  • Batch distillation sequence
  • Heterogeneous azeotrope
  • Optimisation

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Energy Engineering and Power Technology
  • Industrial and Manufacturing Engineering

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