Autothermal sorption-enhanced steam reforming of bio-oil/biogas mixture and energy generation by fuel cells

Concept analysis and process simulation

AA Iordanidis*, PN Kechagiopoulos, SS Voutetakis, AA Lemonidou, IA Vasalos

*Corresponding author for this work

Research output: Contribution to journalArticle

64 Citations (Scopus)

Abstract

A concept of sorption-enhanced steam reforming of bio-oil/biogas for electricity and heat generation by phosphoric acid fuel cells is investigated. The process is modeled using SIMSCI Pro II process simulator. Sorptive removal of the carbon dioxide from the reaction site results in low CO and CO2 concentrations (<1%) in the reformate, as a result it can be used in the phosphoric acid fuel cell without any further fuel cleanup. High hydrogen concentration and calorific value of the reformate enable the operation of the fuel cell at a high-efficiency mode despite of the high carbon/hydrogen ratio of the bio-fuel. Addition of biogas to the reformer enables autothermal operation of the reformer, as well as significantly improves the efficiency of the process. The simulation shows that the overall efficiency of the proposed system is compatible with the efficiency of the system using "classical" steam reforming of the fuel. The process exhibits 6% lower electrical efficiency compared to the system utilizing natural gas, and 4.6% higher efficiency compared to a system using bio-oil as a fuel. (c) 2005 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)1058-1065
Number of pages8
JournalInternational Journal of Hydrogen Energy
Volume31
Issue number8
DOIs
Publication statusPublished - Jul 2006

Keywords

  • bio-oil
  • reforming
  • sorption
  • hydrogen
  • CO2
  • fuel cell
  • simulation
  • FAST-PYROLYSIS
  • HYDROGEN-PRODUCTION
  • BIOMASS
  • OPERATION
  • PRODUCTS
  • METHANE
  • GAS
  • OIL
  • CAO

Cite this

Autothermal sorption-enhanced steam reforming of bio-oil/biogas mixture and energy generation by fuel cells : Concept analysis and process simulation. / Iordanidis, AA; Kechagiopoulos, PN; Voutetakis, SS; Lemonidou, AA; Vasalos, IA.

In: International Journal of Hydrogen Energy, Vol. 31, No. 8, 07.2006, p. 1058-1065.

Research output: Contribution to journalArticle

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abstract = "A concept of sorption-enhanced steam reforming of bio-oil/biogas for electricity and heat generation by phosphoric acid fuel cells is investigated. The process is modeled using SIMSCI Pro II process simulator. Sorptive removal of the carbon dioxide from the reaction site results in low CO and CO2 concentrations (<1{\%}) in the reformate, as a result it can be used in the phosphoric acid fuel cell without any further fuel cleanup. High hydrogen concentration and calorific value of the reformate enable the operation of the fuel cell at a high-efficiency mode despite of the high carbon/hydrogen ratio of the bio-fuel. Addition of biogas to the reformer enables autothermal operation of the reformer, as well as significantly improves the efficiency of the process. The simulation shows that the overall efficiency of the proposed system is compatible with the efficiency of the system using {"}classical{"} steam reforming of the fuel. The process exhibits 6{\%} lower electrical efficiency compared to the system utilizing natural gas, and 4.6{\%} higher efficiency compared to a system using bio-oil as a fuel. (c) 2005 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.",
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