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Resorcinol as a highly efficient aromatic electron donor in bioelectrochemical system.

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Title: Resorcinol as a highly efficient aromatic electron donor in bioelectrochemical system.
Authors: Yang, Li-Hui1,2 (AUTHOR), Cheng, Hao-Yi1,3 (AUTHOR) chenghaoyihit@126.com, Zhu, Ting-Ting4 (AUTHOR), Wang, Hong-Cheng3 (AUTHOR), Haider, Muhammad Rizwan2 (AUTHOR), Wang, Ai-Jie2,3 (AUTHOR)
Source: Journal of Hazardous Materials. Apr2021, Vol. 408, pN.PAG-N.PAG. 1p.
Subjects: Resorcinol, Electron donors, Bioelectrochemistry, Energy dissipation, Microbial communities, Energy consumption
Abstract: Bioelectrochemical systems (BESs) have been known as a promising technology for accelerating aromatic contaminants degradation and energy recovery. However, most existing studies concentrate on aromatics metabolized through a benzoyl-CoA pathway while those metabolized through other pathways are limited. In this work, resorcinol, a typical aromatic contaminant as well as a key central intermediate (other than benzoyl-CoA) involved in aromatics anaerobic biodegradation, was studied in BESs. Unlike the general impression of the relatively poor organic-to-current performance in the aromatics driven BESs, high efficiencies for resorcinol-fed BESs were observed with a current density and coulombic efficiency of up to 0.26 ± 0.05 mA cm−2 and 74.3 ± 10.7%, respectively. The higher performance likely correlates to the readily fermentable property of resorcinol. Analysis of microbial communities in the biofilm suggests a syntrophic interaction between resorcinol-degrading bacteria (RDB) and anode-respiring bacteria (ARB) was involved in current generation. Additional tests involving the removal of accumulated acetate through fast resorcinol feeding indicates that a mechanism based on direct utilization of resorcinol for current generation may also exist. This study extends the knowledge for the fate of aromatics in BESs and indicates that aromatics entering into the resorcinol metabolic pathway can be treated efficiently with good energy recovery efficiency in BESs. ga1 • Resorcinol was available as a substrate for electricity recovery in bioelectrochemical system. • The disparate biodegradation pathway for resorcinol contributed to a superior electricity performance. • A syntrophic interaction between resorcinol-degrading bacteria and anode-respiring bacteria played a main role. • A comprehension of electricity recovery from aromatics via the resorcinol metabolic pathway was supplemented. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Hazardous Materials 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.)
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DbLabel: Engineering Source
An: 148774466
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PubTypeId: academicJournal
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Resorcinol as a highly efficient aromatic electron donor in bioelectrochemical system.
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  Data: <searchLink fieldCode="AR" term="%22Yang%2C+Li-Hui%22">Yang, Li-Hui</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cheng%2C+Hao-Yi%22">Cheng, Hao-Yi</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> chenghaoyihit@126.com</i><br /><searchLink fieldCode="AR" term="%22Zhu%2C+Ting-Ting%22">Zhu, Ting-Ting</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Hong-Cheng%22">Wang, Hong-Cheng</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Haider%2C+Muhammad+Rizwan%22">Haider, Muhammad Rizwan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Ai-Jie%22">Wang, Ai-Jie</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Hazardous+Materials%22">Journal of Hazardous Materials</searchLink>. Apr2021, Vol. 408, pN.PAG-N.PAG. 1p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Resorcinol%22">Resorcinol</searchLink><br /><searchLink fieldCode="DE" term="%22Electron+donors%22">Electron donors</searchLink><br /><searchLink fieldCode="DE" term="%22Bioelectrochemistry%22">Bioelectrochemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+dissipation%22">Energy dissipation</searchLink><br /><searchLink fieldCode="DE" term="%22Microbial+communities%22">Microbial communities</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Bioelectrochemical systems (BESs) have been known as a promising technology for accelerating aromatic contaminants degradation and energy recovery. However, most existing studies concentrate on aromatics metabolized through a benzoyl-CoA pathway while those metabolized through other pathways are limited. In this work, resorcinol, a typical aromatic contaminant as well as a key central intermediate (other than benzoyl-CoA) involved in aromatics anaerobic biodegradation, was studied in BESs. Unlike the general impression of the relatively poor organic-to-current performance in the aromatics driven BESs, high efficiencies for resorcinol-fed BESs were observed with a current density and coulombic efficiency of up to 0.26 ± 0.05 mA cm−2 and 74.3 ± 10.7%, respectively. The higher performance likely correlates to the readily fermentable property of resorcinol. Analysis of microbial communities in the biofilm suggests a syntrophic interaction between resorcinol-degrading bacteria (RDB) and anode-respiring bacteria (ARB) was involved in current generation. Additional tests involving the removal of accumulated acetate through fast resorcinol feeding indicates that a mechanism based on direct utilization of resorcinol for current generation may also exist. This study extends the knowledge for the fate of aromatics in BESs and indicates that aromatics entering into the resorcinol metabolic pathway can be treated efficiently with good energy recovery efficiency in BESs. ga1 • Resorcinol was available as a substrate for electricity recovery in bioelectrochemical system. • The disparate biodegradation pathway for resorcinol contributed to a superior electricity performance. • A syntrophic interaction between resorcinol-degrading bacteria and anode-respiring bacteria played a main role. • A comprehension of electricity recovery from aromatics via the resorcinol metabolic pathway was supplemented. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Hazardous Materials 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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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.jhazmat.2020.124416
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Resorcinol
        Type: general
      – SubjectFull: Electron donors
        Type: general
      – SubjectFull: Bioelectrochemistry
        Type: general
      – SubjectFull: Energy dissipation
        Type: general
      – SubjectFull: Microbial communities
        Type: general
      – SubjectFull: Energy consumption
        Type: general
    Titles:
      – TitleFull: Resorcinol as a highly efficient aromatic electron donor in bioelectrochemical system.
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            NameFull: Yang, Li-Hui
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            NameFull: Cheng, Hao-Yi
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            NameFull: Zhu, Ting-Ting
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            NameFull: Wang, Hong-Cheng
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            NameFull: Haider, Muhammad Rizwan
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            NameFull: Wang, Ai-Jie
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              M: 04
              Text: Apr2021
              Type: published
              Y: 2021
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              Value: 408
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