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Process Development for Integrated Coal Gasification SOFC Hybrid Power Plants

Krüger, Michael (2011) Process Development for Integrated Coal Gasification SOFC Hybrid Power Plants. In: Tagungsband. International Conference on Energy Process Engineering, 2011-06-20 - 2011-06-22, Frankfurt am Main.

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Kurzfassung

On the path to sustainable electric power generation the efficiency of fossil-fuel power plants needs to be increased and CO2-emissions have to be reduced respectively. The main goal of the project is therefore to find the most efficient low-carbon power plant configuration, by means of the integration of high temperature fuel cells (SOFC) in integrated coal gasification combined cycle (IGCC), consisting of state-of-the-art power plant components. Various concepts of integrated coal gasification SOFC hybrid power plants have been considered and simulated with Aspen PlusTM software, extended by several user implemented models, like coal gasifier, SOFC and air separation unit. The figure presents the developed base case of hybrid power plant with possible options of CO2-capture. The effectiveness of the straightforward solution, removing CO2 from anode residual gas, is low, caused by limited fuel utilization of the fuel cell. The most effective case is the combination of water-gas-shift-reactor and physical absorption process before SOFC-anode. The reason for this is the high partial pressure of CO2 and the supply of SOFC with hydrogen rich gas. This results in three percentage points higher efficiency than the most investigated IGCC with CO2-capture.

elib-URL des Eintrags:https://elib.dlr.de/69770/
Dokumentart:Konferenzbeitrag (Vortrag, Paper)
Titel:Process Development for Integrated Coal Gasification SOFC Hybrid Power Plants
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Krüger, Michaelmichael.krueger (at) dlr.dehttps://orcid.org/0000-0002-2187-8678NICHT SPEZIFIZIERT
Datum:2011
Erschienen in:Tagungsband
Open Access:Nein
Gold Open Access:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
Status:veröffentlicht
Stichwörter:Hybridkraftwerk, SOFC, Kohlevergasung, CO2-Abtrennung, CCS
Veranstaltungstitel:International Conference on Energy Process Engineering
Veranstaltungsort:Frankfurt am Main
Veranstaltungsart:internationale Konferenz
Veranstaltungsbeginn:20 Juni 2011
Veranstaltungsende:22 Juni 2011
Veranstalter :Dechema
HGF - Forschungsbereich:Energie
HGF - Programm:Rationelle Energieumwandlung (alt)
HGF - Programmthema:E EV - Energieverfahrenstechnik (alt)
DLR - Schwerpunkt:Energie
DLR - Forschungsgebiet:E EV - Energieverfahrenstechnik
DLR - Teilgebiet (Projekt, Vorhaben):E - Thermochemische Prozesse (alt)
Standort: Stuttgart
Institute & Einrichtungen:Institut für Technische Thermodynamik > Thermische Prozesstechnik
Hinterlegt von: Krüger, Michael
Hinterlegt am:13 Jul 2011 12:39
Letzte Änderung:24 Apr 2024 19:35

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