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Hydrogen production from acetate in a cathode-on-top single-chamber microbial electrolysis cell with a mipor cathode
Guo, Kun1,2; Tang, Xinhua1,2; Du, Zhuwei1; Li, Haoran1; Li, HR
2010-08-15
Source PublicationBIOCHEMICAL ENGINEERING JOURNAL
ISSN1369-703X
Volume51Issue:1-2Pages:48-52
AbstractA cathode-on-top single-chamber microbial electrolysis cell (MEC) was constructed by putting the cathode above the anode. The cathode was made of mipor titanium tube coated with platinum and the anode was graphite granules with exoelectrogens absorbed on its surface. Sodium acetate was used as the substrate. In 24 h batch tests, when the applied voltages increased from 0.2 V to 1.0 V with an interval of 0.1 V, the hydrogen production rates increased from 0.03 L/L/d to 1.58 L/L/d, and the overall hydrogen recoveries increased from 26.03% to 87.73%. The maximum overall energy recovery was 86.78% when the applied voltage was 0.6 V. Meanwhile, hydrogen production was accompanied by evolution of methane, and the main methane producer in this MEC was hydrogenotrophic methanogens. The methane production rate increased with the increase of the hydrogen production rate when the applied voltage was under 0.5 V; however, it maintained approximately 0.04 L/L/d when the applied voltage was above 0.5 V. These results demonstrate that putting the cathode above the anode is able to increase the hydrogen recoveries but also obtain high hydrogen production rates. These results also demonstrate that operating this MEC at a relative higher voltage (>0.6 V) is able to reduce methane production and improve the hydrogen recovery in 24 h batch tests. (C) 2010 Elsevier B.V. All rights reserved.
KeywordMicrobial Electrolysis Cells Microbial Fuel Cells Biohydrogen Production Single Chamber Cathode-on-top Acetate
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.bej.2010.05.001
Indexed BySCI
Language英语
WOS KeywordREDUCTION ; MEMBRANE
WOS Research AreaBiotechnology & Applied Microbiology ; Engineering
WOS SubjectBiotechnology & Applied Microbiology ; Engineering, Chemical
WOS IDWOS:000280510100008
Citation statistics
Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5809
Collection生化工程国家重点实验室
Corresponding AuthorLi, HR
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Guo, Kun,Tang, Xinhua,Du, Zhuwei,et al. Hydrogen production from acetate in a cathode-on-top single-chamber microbial electrolysis cell with a mipor cathode[J]. BIOCHEMICAL ENGINEERING JOURNAL,2010,51(1-2):48-52.
APA Guo, Kun,Tang, Xinhua,Du, Zhuwei,Li, Haoran,&Li, HR.(2010).Hydrogen production from acetate in a cathode-on-top single-chamber microbial electrolysis cell with a mipor cathode.BIOCHEMICAL ENGINEERING JOURNAL,51(1-2),48-52.
MLA Guo, Kun,et al."Hydrogen production from acetate in a cathode-on-top single-chamber microbial electrolysis cell with a mipor cathode".BIOCHEMICAL ENGINEERING JOURNAL 51.1-2(2010):48-52.
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