Cycle analysis of low and high H2 utilization SOFCs/gas turbine combined cycle for CO2 recovery

Cycle analysis of low and high H2 utilization SOFCs/gas turbine combined cycle for CO2 recovery

Global warming is mainly caused by CO2 emission from thermal power plants, which burn fossil fuel with air. One of the countermeasure technologies to prevent global warming is CO2 recovery from combustion flue gas and the sequestration of CO2 underground or in the ocean. SOFC and other fuel cells ca...

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Veröffentlicht in:Electronics and communications in Japan 2008-10, Vol.91 (10), p.38-45
Hauptverfasser: Taniuchi, Takuya, Sunakawa, Daisuke, Nagahama, Mitsuyuki, Araki, Takuto, Onda, Kazuo, Kato, Toru
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amine process
CO2 recovery
gas turbine combined power generation
high fuel utilization
multistage SOFC
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container_end_page 45
container_issue 10
container_start_page 38
container_title Electronics and communications in Japan
container_volume 91
creator Taniuchi, Takuya
Sunakawa, Daisuke
Nagahama, Mitsuyuki
Araki, Takuto
Onda, Kazuo
Kato, Toru
description Global warming is mainly caused by CO2 emission from thermal power plants, which burn fossil fuel with air. One of the countermeasure technologies to prevent global warming is CO2 recovery from combustion flue gas and the sequestration of CO2 underground or in the ocean. SOFC and other fuel cells can produce high‐concentration CO2, because the reformed fuel gas reacts with oxygen electrochemically without being mixed with air, or diluted by N2. Thus, we propose to operate the multistage SOFCs under high utilization of reformed fuel for obtaining high‐concentration CO2. In this report, we have estimated the multistage SOFCs' performance considering H2 diffusion and the combined cycle efficiency of multistage SOFC/gas turbine/CO2 recovery power plant. The power generation efficiency of our CO2 recovery combined cycle is 68.5% and the efficiency of conventional SOFC/GT cycle is 57.8% including the CO2 recovery amine process. © 2009 Wiley Periodicals, Inc. Electron Comm Jpn, 91(10): 38–45, 2008; Published online in Wiley InterScience (www.interscience. wiley.com). DOI 10.1002/ecj.10165
doi_str_mv 10.1002/ecj.10165
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source Wiley Online Library Journals Frontfile Complete; Business Source Complete
subjects amine process
CO2 recovery
gas turbine combined power generation
high fuel utilization
multistage SOFC
title Cycle analysis of low and high H2 utilization SOFCs/gas turbine combined cycle for CO2 recovery
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