Perspectives on cultivation strategies and photobioreactor designs for photo-fermentative hydrogen production

Chun Yen Chen, Chia Hsien Liu, Yung Chung Lo, Jo Shu Chang

Research output: Contribution to journalArticlepeer-review

72 Citations (Scopus)


Photosynthetic bacteria have considerable biotechnological potential for biological hydrogen production due to higher substrate conversion efficiency and hydrogen yield. Phototrophic fermentation using photosynthetic bacteria has a major advantage of being able to further convert the byproducts originating from dark fermentation (e.g., volatile fatty acids) to hydrogen. Through the combination of dark and photo-fermentation processes, organic feedstock is fully converted into gaseous product (H 2) at the highest possible H 2 yield, with significant reduction of chemical oxygen demand (COD). The performance of photo-fermentation is highly dependent on the medium composition, culture conditions, and photobioreactor design. Therefore, this article provides a critical review of the effects of key factors affecting the photo-hydrogen production efficiency of photosynthetic bacteria, and also summarizes the strategies being applied in promoting the performance of photo-fermentation.

Original languageEnglish
Pages (from-to)8484-8492
Number of pages9
JournalBioresource technology
Issue number18
Publication statusPublished - 2011 Sep 1

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

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