DOI QR코드

DOI QR Code

Optimal conditions for biological hydrogen production from food waste

  • 투고 : 2013.09.25
  • 심사 : 2015.02.06
  • 발행 : 2015.06.30

초록

Biohydrogen production from food waste via dark fermentation was conducted by using mixed culture under various environmental conditions (initial pH, initial F/M ratio, initial ferrous iron ($Fe^{2+}$), and temperature condition) in batch reactor. The results revealed that the maximum hydrogen yield of $46.19mL\;H_2/g\;COD_{add}$ was achieved at the optimal conditions (initial pH 8.0, initial F/M ratio 4.0, initial iron concentration 100 mg $FeSO_4/L$ and thermophilic condition ($55{\pm}1^{\circ}C$)). Furthermore, major volatile fatty acid (VFA) productions of butyrate (765.66 mg/L) and acetate (324.69 mg/L) were detected and COD removal efficiency was detected at 66.00%. Therefore, these optimal conditions could be recommended to operate a system.

키워드

참고문헌

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피인용 문헌

  1. (SM16), using sugarcane molasses vol.8, pp.6, 2017, https://doi.org/10.1080/17597269.2016.1257317
  2. Optimizing the impact of temperature on bio-hydrogen production from food waste and its derivatives under no pH control using statistical modelling vol.12, pp.21, 2015, https://doi.org/10.5194/bg-12-6503-2015
  3. Impact of pH Management Interval on Biohydrogen Production from Organic Fraction of Municipal Solid Wastes by Mesophilic Thermophilic Anaerobic Codigestion vol.2015, pp.None, 2015, https://doi.org/10.1155/2015/590753