Energetic evaluation of a power plant integrated with apiperazine-based CO2capture process

Hanne M. Kvamsdal*, Matteo C. Romano, Leen van der Ham, Davide Bonalumi, Peter van Os, Earl Goetheer

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

50 Citations (Scopus)


Extensive research efforts have been applied to obtain more efficient and less cost-intensive absorption-based processes and solvent systems for CO2capture during the last 15-20 years. High concentratedaqueous solutions of piperazine (PZ) have been suggested as a good replacement for the current bench-mark solvent mono-ethanolamine (MEA). So far, the research on concentrated PZ solutions has mainlyfocused on the development and evaluation of various configurations for the post-combustion CO2cap-ture process. The present paper studies the integration of a configuration based on high-pressure flashregeneration with the upstream power plant. The main focus is on the overall energy performance, but aqualitative analysis of the effect of flexible operation is added as this is important for the optimization ofthe total plant. A power plant integrated with the optimal PZ-based capture plant is found to have a netelectric efficiency of 37.4%, which is 7.2% less than the reference power plant without CO2capture. Theefficiency penalty when using an MEA-based capture plant including lean-vapour compression is 9.1%.

Original languageEnglish
Pages (from-to)343-355
JournalInternational Journal of Greenhouse Gas Control
Issue number1
Publication statusPublished - 2014
Externally publishedYes


  • Energy efficiency
  • High-pressure flash
  • Piperazine
  • Post-combustion capture
  • Process integration


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