Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Economic Evaluation of Domestic Photobiological Hydrogen Production

국내 광생물학적 수소생산의 경제성 평가

  • Gim, Bong-Jin (Department of Industrial Engineering, Dankook Univ.) ;
  • Kim, Jong-Wook (Korea Institute of Energy Research, R&D Policy Research Dept.)
  • 김봉진 (단국대학교 산업공학과) ;
  • 김종욱 (한국에너지기술연구원 정책연구실)
  • Published : 2008.08.30
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Abstract

This paper deals with an economic evaluation of domestic photobiological hydrogen production. We evaluate the economic feasibility of domestic photobiological hydrogen production utilizing green algae and cyanobacteria. In addition, we make some sensitivity analysis of hydrogen production prices by changing the values of input factors such as the price of a photo-bioreactor and the value of solar to hydrogen efficiency. The estimated hydrogen production price of the two-step indirect biophotolysis was 12,099won/kg$H_2$. It is expected that the hydrogen production price by the two-step indirect biophotolysis can be reduced to 2,143won/kg$H_2$ if the solar to hydrogen efficiency is increased to 10% and the price of a photo-bioreactor is decreased to $25/$m^2$. The two-step indirect biophotolysis is evaluated as uneconomical at this time, and we need to enhance the solar to hydrogen efficiency and to reduce the prices of the photo-bioreactor and system facilities.

Keywords

References

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