Possible Future SOFC - ST Based Power Plants

Masoud Rokni, Fabio Scappin

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Abstract

Hybrid systems consisting Solid Oxide Fuel Cell (SOFC) on the top of a Steam Turbine (ST) are investigated. The plants are fired by natural gas. A desulfurization reactor removes the sulfur content in the NG while a pre-reformer break down the heavier hydrocarbons. The pre-treated fuel enters then into the anode side of the SOFC. The gases from the SOFC stacks enter into a burner to burn the rest of the fuel. The off-gases now enter into a heat recovery steam generator to produce steam for a Rankine cycle. Different system setups are considered. Cyclic efficiencies up to 67% are achieved which is considerably more than the conventional combined cycles (CC). Both ASR (Adiabatic Steam Reformer) and CPO (Catalytic Partial Oxidation) fuel reformer reactors are considered in this study.
Original languageEnglish
Title of host publicationProceedings of SIMS 50 : Modeling of Energy Technology
Number of pages370
Place of PublicationCopenhagen
Publication date2009
Pages181-188
ISBN (Print)978-87-89502-88-5
Publication statusPublished - 2009
Event50th International Conference of Scandinavian Simulation Society - Fredericia, Denmark
Duration: 7 Oct 20098 Oct 2009
Conference number: 50

Conference

Conference50th International Conference of Scandinavian Simulation Society
Number50
CountryDenmark
CityFredericia
Period07/10/200908/10/2009

Keywords

  • steam plant
  • hybrid system
  • Rankine cycle
  • steam cycle
  • SOFC

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