Homoazeotropic distillation of maximum azeotropes in a batch rectifier with continuous entrainer feeding I. Feasibility studies

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Abstract

Our former method for the assessment of the feasibility of extractive distillation in a batch rectifier was extended for the investigation of the separation of maximum azeotropes. The method is based on the calculation of the still path and possible composition profiles of the column sections. The sequence of the separation steps was determined, then limiting values and the influence of the most important parameters were investigated. The feasibility calculations performed to the mixture acetone- chloroform using benzene and toluene as solvent verified the benefits of the continuous feeding of the separating agent. (C) 2000 Elsevier Science Ltd.

Original languageEnglish
Pages (from-to)1665-1671
Number of pages7
JournalComputers and Chemical Engineering
Volume24
Issue number2-7
DOIs
Publication statusPublished - Jul 15 2000

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Azeotropes
Distillation
Toluene
Chloroform
Chlorine compounds
Acetone
Benzene
Chemical analysis

Keywords

  • Batch homoazeotropic distillation
  • Extractive distillation
  • Feasibility studies

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Control and Systems Engineering

Cite this

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T1 - Homoazeotropic distillation of maximum azeotropes in a batch rectifier with continuous entrainer feeding I. Feasibility studies

AU - Láng, P.

AU - Modla, G.

AU - Benadda, B.

AU - Lelkés, Z.

PY - 2000/7/15

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AB - Our former method for the assessment of the feasibility of extractive distillation in a batch rectifier was extended for the investigation of the separation of maximum azeotropes. The method is based on the calculation of the still path and possible composition profiles of the column sections. The sequence of the separation steps was determined, then limiting values and the influence of the most important parameters were investigated. The feasibility calculations performed to the mixture acetone- chloroform using benzene and toluene as solvent verified the benefits of the continuous feeding of the separating agent. (C) 2000 Elsevier Science Ltd.

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KW - Extractive distillation

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