Rigorous MINLP model for ethanol dehydration system

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Ethanol dehydration systems are modeled and optimized using MINLP. The systems consist of a distillation column for approaching the ethanol/water azeotrope and a pervaporation system for producing pure ethanol. Rigorous modeling equations are employed for modeling both the column and the subsystem of membrane modules. Quadratic and exponential regression, as well as metric and linear interpolation are studied for approximating the integral membrane model. A method for radically decreasing the multiplicity of equivalent structures covered by the superstructure is suggested and applied. A successive refinement method with non-increasing number of binary variables is developed and successfully applied. (C) 2000 Elsevier Science Ltd.

Original languageEnglish
Pages (from-to)1331-1336
Number of pages6
JournalComputers and Chemical Engineering
Volume24
Issue number2-7
DOIs
Publication statusPublished - Jul 15 2000

Fingerprint

Dehydration
Ethanol
Membranes
Azeotropes
Pervaporation
Distillation columns
Interpolation
Water

Keywords

  • Distillation column
  • Ethanol dehydration
  • MINLP

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Control and Systems Engineering

Cite this

Rigorous MINLP model for ethanol dehydration system. / Lelkés, Z.; Szitkai, Z.; Rév, E.; Fonyó, Z.

In: Computers and Chemical Engineering, Vol. 24, No. 2-7, 15.07.2000, p. 1331-1336.

Research output: Contribution to journalArticle

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