Advanced power cycles for coal-fired power plants based on calcium looping combustion: a techno-economic feasibility assessment

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dc.contributor.authorMichalski, Sebastian
dc.contributor.authorHanak, Dawid P.
dc.contributor.authorManovic, Vasilije
dc.date.accessioned2020-05-01T09:22:52Z
dc.date.available2020-05-01T09:22:52Z
dc.date.issued2020-04-27
dc.description.abstractCarbon capture and storage is crucial to decarbonising the power sector, as no other technology can significantly reduce emissions from fossil fuel power generation systems. Yet, the mature CO2 capture technologies result in net efficiency penalties of at least 7% points. Emerging technologies, such as calcium looping combustion, can reduce the net efficiency penalty to 2.4% points. Further reductions can be achieved by replacing the conventional steam cycle with advanced power cycles. This study aimed to assess the techno-economic feasibility of the coal-fired power plant based on calcium looping combustion with different advanced Brayton cycles. These included single power cycles, such as recompression supercritical CO2, simple supercritical CO2 cycle, and xenon cycle, as well as combined power cycles based on helium, nitrogen and recompression supercritical CO2 cycles. The net efficiency and break-even electricity price, which was estimated using the net present value method, were used as the key techno-economic performance indicators. A parametric study was also conducted to assess the impact of the key thermodynamic parameters. This study showed that the case based on a single recompression supercritical CO2 cycle had the best overall techno-economic performance, while the recompression supercritical CO2 combined cycle case had the best techno-economic performance among combined cycle cases. The former was characterised with a net efficiency of 38.9%, which is higher than that of the reference coal-fired power plant without CO2 capture (38.0%). Such performance was achieved at a break-even electricity price of 71.2 €/MWel,neth, corresponding to a cost of CO2 avoided of 16.3 €/tCO2.en_UK
dc.identifier.citationMichalski S, Hanak DP, Manovic V. (2020) Advanced power cycles for coal-fired power plants based on calcium looping combustion: a techno-economic feasibility assessment. Applied Energy, Volume 269, July 2020, Article number 114954en_UK
dc.identifier.issn0306-2619
dc.identifier.urihttps://doi.org/10.1016/j.apenergy.2020.114954
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/15422
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectefficiency penaltyen_UK
dc.subjectcarbon captureen_UK
dc.subjectclean power technologiesen_UK
dc.subjectclean coalen_UK
dc.subjectcarbonate loopingen_UK
dc.subjectadvanced power generationen_UK
dc.titleAdvanced power cycles for coal-fired power plants based on calcium looping combustion: a techno-economic feasibility assessmenten_UK
dc.typeArticleen_UK

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