Thermophilic fermentative hydrogen production from starch-wastewater with bio-granules

Yohei Akutsu, Dong Yeol Lee, Yong Zhi Chi, Gyokuyu Ri, Hideki Harada, Han Qing Yu

研究成果: Article査読

57 被引用数 (Scopus)

抄録

In this study, the effects of the hydraulic retention time (HRT), pH and substrate concentration on the thermophilic hydrogen production of starch with an upflow anaerobic sludge bed (UASB) reactor were investigated. Starch was used as a sole substrate. Continuous hydrogen production was stably attained with a maximum H2 yield of 1.7 mol H2/mol glucose. A H2-producing thermophilic granule was successfully formed with diameter in the range of 0.5-4.0 mm with thermally pretreated methanogenic granules as the nuclei. The metabolic pathway of the granules was drastically changed at each operational parameter. The production of formic or lactic acids is an indication of the deterioration of hydrogen production for H2-producing thermophilic granular sludge.

本文言語English
ページ(範囲)5061-5071
ページ数11
ジャーナルInternational Journal of Hydrogen Energy
34
12
DOI
出版ステータスPublished - 2009 6 1

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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