Lactic acid as a substrate for fermentative hydrogen production

研究成果: Article査読

18 被引用数 (Scopus)

抄録

Soil was used as seed without pretreatment for the fermentation of lactate in order to produce H 2. When the pH was kept at a constant level, H 2 production occurred in three steps. The first was the production of small amounts of H 2 during the initial growth of the microflora. Then, after a reasonably long period of inactivity during the cultivation stage, a large amount of H 2 was produced in additional two steps. It was found that the reduction of the pH after the initial growth phase had a positive effect on the H 2 yield. After cell growth at pH 6 and cultivation at pH 5, a total H 2 yield of 154 mmol l -1 was achieved. It was found that acetate was essential for the rapid H 2 formation. On the other hand, even small initial concentrations of butyrate impeded the H 2 formation.

本文言語English
ページ(範囲)16967-16973
ページ数7
ジャーナルInternational Journal of Hydrogen Energy
37
22
DOI
出版ステータスPublished - 2012 11

ASJC Scopus subject areas

  • 再生可能エネルギー、持続可能性、環境
  • 燃料技術
  • 凝縮系物理学
  • エネルギー工学および電力技術

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