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

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Influence of light intensity and photo-bioreactor design for photo biological hydrogen production by Rhodobactor sphaeroides

Rhodobactor sphaeroides의 수소생산에 미치는 광세기 및 광합성 배양기 영향

  • Kim, Mi-Sun (Biomass research center, Korea Institute of Energy Research) ;
  • Baek, Jin-Sook (Biomass research center, Korea Institute of Energy Research)
  • 김미선 (바이오매스연구쎈터, 한국에너지기술연구원) ;
  • 백진숙 (바이오매스연구쎈터, 한국에너지기술연구원)
  • Published : 2004.06.30
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Abstract

Purple non-sulfur bacteria, Rhodobacter sphaeroides KD131 grew to reach the maximum cell concentration in 45 hrs of incubation in the synthetic media containing (NH4)2SO4, L-aspartic acid and succinic acid as the carbon and nitrogen sources, respectively, at 30oC under 8 klux irradiance using halogen lamp. The strain produced hydrogen from the middle of the logarithmic growth phase and continued until the cell growth leveled out. The strain grew and produced hydrogen under the irradiance of 3-30 klux, but cell growth was inhibited over 100 klux. In addition, anaerobic/light culture condition was better than the aerobic/dark on the hydrogen production. Among various photo-bioreactors examined, the flat-vertical reactor manufactured using clear acrylic plastic material showed the best hydrogen production rate at the given culture condition.

Keywords

Acknowledgement

Supported by : 수소에너지사업단

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