Enhancement of bio-hydrogen generation by spirulina via an electrochemical photo-bioreactor (EPBR)期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Enhancement of bio-hydrogen generation by spirulina via an electrochemical photo-bioreactor (EPBR)

Affiliation:	1. Laboratoire BIOGEP Ecole Nationale Polytechnique, Avenue Pasteur El Harrach, Algeria;2. Département Génie Chimique, Université de Technologie de Compiègne, France;1. Institute of Environmental Engineering, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan;2. Center for Emerging Contaminants Research, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan;1. Department of Civil and Environmental Engineering, KAIST, 373-1 Guseong-dong, Yuseong-gu, Daejeon 305-701, Republic of Korea;2. Waste Energy Research Center, Korea Institute of Energy Research, 102 Gajeong-ro, Yuseong-gu, Daejeon 305-343, Republic of Korea;3. Bioenergy Center, Korea Institute of Energy Research, 102 Gajeong-ro, Yuseong-gu, Daejeon 305-343, Republic of Korea;4. Center for Water Resources Cycle Research, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul 130-650, Republic of Korea;1. Department of Biotechnology, Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi Avenue 71, 050038, Almaty, Kazakhstan;2. Department of Biology, Faculty of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan;3. PRESTO, Japan Science and Technology Agency (JST), 4-1-8 Honcho Kawaguchi, Saitama, 332-0012, Japan;4. Zoology Department, College of Science, King Saud University, Riyadh, Saudi Arabia;5. Controlled Photobiosynthesis Laboratory, K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya Street 35, Moscow 127276, Russia;6. Institute of Basic Biological Problems, Russian Academy of Sciences, Pushchino, Moscow Region 142290, Russia;7. Department of Plant Physiology, Faculty of Biology, M.V. Lomonosov Moscow State University, Leninskie Gory 1-12, Moscow, 119991, Russia;8. Bionanotechnology Laboratory, Institute of Molecular Biology and Biotechnology, Azerbaijan National Academy of Sciences, Baku, Azerbaijan;9. Department of Molecular and Cell Biology, Moscow Institute of Physics and Technology, Institutsky Lane 9, Dolgoprudny, Moscow Region, 141700, Russia;1. Puritek Research Institute, Puritek Co. Ltd., Nanjing, China;2. Research Centre for Energy Technology and Strategy, National Cheng Kung University, Tainan 701, Taiwan;3. Department of Chemical Engineering, National Cheng Kung University, Tainan 701, Taiwan;4. Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan;5. Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan

Abstract:	The biological production of hydrogen by microalgae is considered as an advantageous process. However, its yields are sometimes limited. To go beyond this limit, the improvement of the H₂ generation rate by Spirulina was studied via an electrochemical photo-bioreactor (EPBR). This EPBR led to hydrogen evolution rates of up to 27.49 and 13.37 mol of H₂.d⁻¹.m⁻³ for the anode and cathode chambers, respectively, under 0.3 V voltage and ~2.5 mA current. These results represent about a 4-fold increase compared to the H₂ production rate recorded without the application of a voltage. This increase in bio-hydrogen production is correlated with a drop in the concentration of NADPH. The Electrochemical Sequential Batch Reactor (ESRB) provided a more interesting total production rate which was 2.65 m³ m⁻³ d⁻¹, compared to the batch mode, which gave 1.2 m³ m⁻³.d⁻¹. The results show, for the first time, the boosting effect of the voltage on the metabolism of H₂ production by the Spirulina strain.

Keywords:	Biological hydrogen production Electrochemical photo-bioreactor Small voltage BEC"} {"#name":"keyword" "$":{"id":"kwrd0035"} "$$":[{"#name":"text" "_":"Bio-catalyzed electrolysis cell BPEC"} {"#name":"keyword" "$":{"id":"kwrd0045"} "$$":[{"#name":"text" "_":"Bio-photo-electrochemical CEM"} {"#name":"keyword" "$":{"id":"kwrd0055"} "$$":[{"#name":"text" "_":"Cation exchange membranes EPBR"} {"#name":"keyword" "$":{"id":"kwrd0065"} "$$":[{"#name":"text" "_":"Electrochemical Photo-Bioreactor ESBR"} {"#name":"keyword" "$":{"id":"kwrd0075"} "$$":[{"#name":"text" "_":"Electrochemical sequential batch reactor MEC"} {"#name":"keyword" "$":{"id":"kwrd0085"} "$$":[{"#name":"text" "_":"Microbial electrolysis cell MFC"} {"#name":"keyword" "$":{"id":"kwrd0095"} "$$":[{"#name":"text" "_":"Microbial fuel cell NADH"} {"#name":"keyword" "$":{"id":"kwrd0105"} "$$":[{"#name":"text" "_":"Nicotinamide Adenine Dinucleotide NADPH"} {"#name":"keyword" "$":{"id":"kwrd0115"} "$$":[{"#name":"text" "_":"Nicotinamide Adenine Dinucleotide Phosphate
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