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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.6
- 수록면
- 333 - 339 (7page)
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In the present work, it was attempted to produce H₂ from food waste by the two-stage fermentation system. Food waste was acidified to lactate by using indigenous lactic acid bacteria under mesophilic condition, and the lactate fermentation effluent (LFE) was subsequently converted to H₂ by photo-fermentation. Rhodobacter sphaeroides KD131 was used as the photo-fermenting bacteria. The optimal conditions for lactate fermentation were found to be pH of 5.5 and substrate concentration of 30 g Carbo. COD/L, under which yielded 1.6 mol lactate/mol glucose. By filtering the LFE and adding trace metal, H₂ production increased by more than three times compared to using raw LFE, and finally reached the H₂ yield of 3.6 mol H₂/mol lactate. Via the developed two-stage fermentation system H₂ yield of 5.8 mol H₂/mol glucose was achieved from food waste, whose value was the highest that ever recorded.
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참고문헌 (13)
참고문헌 신청
McKinlay JB / 2010 / photobiological production of hydrogen ass as a biofuel / Current opinion in biobechnology 21:244~251
Li D / 2007 / Fermentative hydrogen production from wastewater and solid wastes by mixed cultures / Crit Re Environ Sci Technol 37:1~39
Hawkes FR / 2002 / Sustainable fermentative hydrogen production: challenges for process optimization / Int J Hydrogen Energy 27:1339~1347
Shi XY / 2006 / Continuous production of hydrogen from mixed volatile fatty acids with Rhodopseudomonas capsulate / Int J Hydrogen Energ 31:1641~1647
손한나 / 2010 / Rhodobacter sphaeroides KD131에 의한 유기산 광합성 발효 최적화 / 한국수소및신에너지학회논문집 21(2):136~142
Li D / 2007 / Fermentative hydrogen production from wastewater and solid wastes by mixed cultures / Crit Re Environ Sci Technol 37:1~39
Hawkes FR / 2002 / Sustainable fermentative hydrogen production: challenges for process optimization / Int J Hydrogen Energy 27:1339~1347
Shi XY / 2006 / Continuous production of hydrogen from mixed volatile fatty acids with Rhodopseudomonas capsulate / Int J Hydrogen Energ 31:1641~1647
손한나 / 2010 / Rhodobacter sphaeroides KD131에 의한 유기산 광합성 발효 최적화 / 한국수소및신에너지학회논문집 21(2):136~142
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