Solubility of carbon dioxide in aqueous piperazine solutions

P.W.J. Derks, H.B.S. Dijkstra, J.A. Hogendoorn, G.F. Versteeg*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

119 Citations (Scopus)


In the present work, new experimental data are presented on the solubility of carbon dioxide in aqueous piperazine solutions, for concentrations of 0.2 and 0.6 molar piperazine and temperatures of 25, 40, and 70°C respectively. The present data, and other data available in the literature, were correlated using a model based on the electrolyte equation of state (EoS), as originally proposed by Fürst and Renon. The final model derived, containing only seven adjustable (ionic) parameters, was able to describe the available experimental solubility data (>150 data points for total and/or CO2 partial pressure) with an average deviation of 16%.
Original languageEnglish
Pages (from-to)2311-2327
Number of pages16
JournalAIChE journal
Issue number8
Publication statusPublished - 2005


  • Electrolyte equation of state
  • Piperazine
  • Solubility
  • Carbon dioxide
  • Absorption
  • n/a OA procedure


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