Heat pump systems with mechanical compression for batch distillation

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The operational and economic feasibility of different heat-pump systems with mechanical compression integrated to real batch distillation columns of different sizes is investigated. The systems studied are vapour recompression, vapour compression and vapour recompression with the application of an external heat exchanger. The issues of applying a mechanical compressor for a batch distillation column integrated with heat pump system are discussed. The separation of a low relative volatility mixture is investigated by rigorous simulation performed with a professional flow-sheet simulator. The systems studied are compared by payback times. For the vapour recompression system in the minimal payback time point the batch operation time was significantly longer than that of the conventional batch distillation. The payback time was considerably reduced by applying an external heat exchanger.

Original languageEnglish
Pages (from-to)403-417
Number of pages15
JournalEnergy
Volume62
DOIs
Publication statusPublished - Dec 1 2013

Keywords

  • Batch distillation
  • Cost calculation
  • Energy saving
  • Heat-pump
  • Mechanical compression

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Pollution
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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