Integration between a demo size post-combustion CO2 capture and full size power plant. An integral approach on energy penalty for different process options

Ferran de Miguel Mercader*, Guido Magneschi, Eva Sanchez Fernandez, Gerard J. Stienstra, Earl L V Goetheer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

CO2 capture based on post-combustion capture has the potential to significantly reduce the CO2 emissions from coal-fired power plants. However, this capture process reduces considerably the energy efficiency of the power plant. To reduce this energy penalty, this paper studies different post-combustion CO2 capture process configurations combined with different levels of heat integration with the power plant. The cases studied were based on a 1070MWe power plant connected to a demo size capture plant (250MWe equivalent - approximately 1.1Mton CO2 captured/year). The integral evaluation of the energy needed for the capture plant together with the electrical and heat integration with the power plant is a suitable methodology for determining overall power plant efficiency. This approach gives a good overview of the effect of different capture options and integration levels, that cannot be obtained when evaluated independently.

Original languageEnglish
Pages (from-to)102-113
Number of pages12
JournalInternational Journal of Greenhouse Gas Control
Volume11
Issue numberSUPPL
DOIs
Publication statusPublished - 31 Oct 2012

Keywords

  • CO capture
  • Heat integration
  • Post-combustion
  • Power plant integration
  • Process configurations

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