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- Title
Enhancing continuous photo-H<sub>2</sub> production using optical fiber for biofilm formation.
- Authors
Zhang, Chuan; Fu, Jing; Wang, Bao‐Wen; Liu, Xin‐Yang; Cheng, Min; Zhang, Quan‐Guo
- Abstract
To promote continuous phototrphic H2 production with photosynthetic bacteria, an innovative annular optical fiber illuminating bioreactor for both biofilm formation and light transmission was developed. Steady biofilm of indigenous photosynthetic bacteria Rhodopseudomonas palustris was successfully obtained on the surface of side-glowing optical fiber. With the sufficient light supply and uniform light distribution, strategies on improvement of continuous hydrogen production and light energy conversion were then investigated. Hydrogen production rate of 0.85 mmol g−1h−1 and Light conversion efficiency of 47.1% were attained under operating conditions of monochromatic light illumination at 530 nm with light intensity of 19.5 μmol photos m−2s−1, hydraulic retention time of 5 h and initial pH of 7.0. © 2015 American Institute of Chemical Engineers Environ Prog, 35: 455-460, 2016
- Subjects
HYDROGEN as fuel; ENERGY research; PHOTOSYNTHETIC bacteria; BIOREACTORS; BIOFILMS; LIGHT transmission; LIGHT sources
- Publication
Environmental Progress & Sustainable Energy, 2016, Vol 35, Issue 2, p455
- ISSN
1944-7442
- Publication type
Article
- DOI
10.1002/ep.12235