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Effect of acclimatization on hexavalent chromium reduction in a biocathode microbial fuel cell.

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Title: Effect of acclimatization on hexavalent chromium reduction in a biocathode microbial fuel cell.
Authors: Wu, Xiayuan1, Zhu, Xujun2, Song, Tianshun1, Zhang, Lixiong1, Jia, Honghua1 ijbtg2009@163.com, Wei, Ping1
Source: Bioresource Technology. Mar2015, Vol. 180, p185-191. 7p.
Subjects: Acclimatization, Reduction of hexavalent chromium, Cathodes, Microbial fuel cells, Comparative studies
Abstract: A simple acclimatization method for the reduction of hexavalent chromium (Cr(VI)) at a biocathode by first enriching an exoelectrogenic biofilm on a microbial fuel cell (MFC) anode, followed by direct inversion of the anode to function as the biocathode, has been established. This novel method significantly enhanced the Cr(VI) reduction efficiency of the MFC, which was mainly attributed to the higher microbial density and less resistive Cr(III) precipitates on the cathode when compared with a common biocathode acclimatization method (control). The biocathode acclimatization period was shortened by 19 days and the Cr(VI) reduction rate was increased by a factor of 2.9. Microbial community analyses of biocathodes acclimatized using different methods further verified the feasibility of this electrode inversion method, indicating similar dominant bacteria species in biofilms, which mainly consist of Gamma-proteobacteria and Bacteria . [ABSTRACT FROM AUTHOR]
Copyright of Bioresource Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 101001648
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Effect of acclimatization on hexavalent chromium reduction in a biocathode microbial fuel cell.
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  Data: <searchLink fieldCode="JN" term="%22Bioresource+Technology%22">Bioresource Technology</searchLink>. Mar2015, Vol. 180, p185-191. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Acclimatization%22">Acclimatization</searchLink><br /><searchLink fieldCode="DE" term="%22Reduction+of+hexavalent+chromium%22">Reduction of hexavalent chromium</searchLink><br /><searchLink fieldCode="DE" term="%22Cathodes%22">Cathodes</searchLink><br /><searchLink fieldCode="DE" term="%22Microbial+fuel+cells%22">Microbial fuel cells</searchLink><br /><searchLink fieldCode="DE" term="%22Comparative+studies%22">Comparative studies</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A simple acclimatization method for the reduction of hexavalent chromium (Cr(VI)) at a biocathode by first enriching an exoelectrogenic biofilm on a microbial fuel cell (MFC) anode, followed by direct inversion of the anode to function as the biocathode, has been established. This novel method significantly enhanced the Cr(VI) reduction efficiency of the MFC, which was mainly attributed to the higher microbial density and less resistive Cr(III) precipitates on the cathode when compared with a common biocathode acclimatization method (control). The biocathode acclimatization period was shortened by 19 days and the Cr(VI) reduction rate was increased by a factor of 2.9. Microbial community analyses of biocathodes acclimatized using different methods further verified the feasibility of this electrode inversion method, indicating similar dominant bacteria species in biofilms, which mainly consist of Gamma-proteobacteria and Bacteria . [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Bioresource Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.biortech.2014.12.105
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      – Code: eng
        Text: English
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        PageCount: 7
        StartPage: 185
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      – SubjectFull: Acclimatization
        Type: general
      – SubjectFull: Reduction of hexavalent chromium
        Type: general
      – SubjectFull: Cathodes
        Type: general
      – SubjectFull: Microbial fuel cells
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      – SubjectFull: Comparative studies
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      – TitleFull: Effect of acclimatization on hexavalent chromium reduction in a biocathode microbial fuel cell.
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            NameFull: Wu, Xiayuan
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            NameFull: Zhu, Xujun
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            NameFull: Song, Tianshun
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            NameFull: Zhang, Lixiong
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            NameFull: Jia, Honghua
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            NameFull: Wei, Ping
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              Text: Mar2015
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              Y: 2015
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