Enhanced photo-H2 production by unsaturated flow condition in continuous culture
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- 作者：Cheng-Long Guo (1) (2)
Hong-Xia Cao (3)
Fei-Qiang Guo (1)
Cong-Liang Huang (1)
Huan-Guang Wang (1)
Zhong-Hao Rao (1)
1. School of Electric Power Engineering ; China University of Mining and Technology ; Xuzhou ; 221116 ; China
2. Institute of Engineering Thermophysics ; Chongqing University ; Chongqing ; 400030 ; China
3. Low Carbon Energy Institute ; China University of Mining and Technology ; Xuzhou ; 221116 ; China - 关键词：Biofilm photobioreactor ; H2 production ; Optical fiber ; Photo ; H2 production ; Photosynthetic bacteria ; Unsaturated flow conditions
- 刊名：Biotechnology Letters
- 出版年：2015
- 出版时间：February 2015
- 年：2015
- 卷：37
- 期：2
- 页码：359-366
- 全文大小：364 KB
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- 刊物主题：Life Sciences
Microbiology
Biotechnology
Applied Microbiology
Biochemistry - 出版者：Springer Netherlands
- ISSN：1573-6776
文摘
A biofilm photobioreactor under unsaturated flow condition (BFPBR-U) is proposed using a polished optical fiber as the internal light source for photo-H2 production in continuous culture. The main chamber was filled with spherical glass beads to create the reaction bed and the cells were immobilized to form a biofilm under unsaturated flow condition obtained by pumping substrate solution over a packing bed at a rate to create a thin fluid film and injecting the argon to maintain the gas phase space. The effects of operational conditions, including flow rate and influent substrate concentration, on the photo-H2 production performance were investigated. The unsaturated flow conditions eliminated the inhibition caused by high organic loading rate and enhanced light transmission efficiency, leading to an improvement in the photo-H2 production performance.