Effects of foam nickel supplementation on anaerobic digestion: Direct interspecies electron transfer

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dc.contributor.authorGuo, Xiaobo
dc.contributor.authorSun, Chihe
dc.contributor.authorLin, Richen
dc.contributor.authorXia, Ao
dc.contributor.authorHuang, Yun
dc.contributor.authorZhu, Xianqing
dc.contributor.authorShow, Pau-Loke
dc.contributor.authorMurphy, Jerry D.
dc.contributor.funderNational Natural Science Foundation of Chinaen
dc.contributor.funderVenture and Innovation Support Program for Chongqing Overseas Returneesen
dc.contributor.funderYoung Researchers and Elite Cluben
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderHorizon 2020en
dc.contributor.funderH2020 Marie Skłodowska-Curie Actionsen
dc.contributor.funderEnvironmental Protection Agencyen
dc.contributor.funderEnvironmental Protection Agency, Irelanden
dc.date.accessioned2020-07-02T13:08:54Z
dc.date.available2020-07-02T13:08:54Z
dc.date.issued2020-05-17
dc.date.updated2020-07-02T12:25:38Z
dc.description.abstractStimulating direct interspecies electron transfer with conductive materials is a promising strategy to overcome the limitation of electron transfer efficiency in syntrophic methanogenesis of industrial wastewater. This paper assessed the impact of conductive foam nickel (FN) supplementation on syntrophic methanogenesis and found that addition of 2.45 g/L FN in anaerobic digestion increased the maximum methane production rate by 27.4 % (on day 3) while decreasing the peak production time by 33 % as compared to the control with no FN. Cumulative methane production from day 2 to 6 was 14.5 % higher with addition of 2.45 g/L FN than in the control. Levels of FN in excess of 2.45 g/L did not show benefits. Cyclic voltammetry results indicated that the biofilm formed on the FN could generate electrons. The dominant bacterial genera in suspended sludge were Dechlorobacter and Rikenellaceae DMER64, whereas that in the FN biofilm was Clostridium sensu stricto 11. The dominant archaea Methanosaeta in the FN biofilm was enriched by 14.1 % as compared to the control.en
dc.description.sponsorshipNational Natural Science Foundation of China ((No. 51876016), the State Key Program of National Natural Science of China (No. 51836001)); Venture and Innovation Support Program for Chongqing Overseas Returnees (No.cx2019040); Young Elite Scientists Sponsorship Program byCAST (2018QNRC001); Science Foundation Ireland (SFI through the MaREI centre for energy,climate and marine under Grant No. 12/RC/2302_P2 and 16/SP/3829); Environmental Protection Agency, Ireland (2018-RE-MS-13).en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid122830en
dc.identifier.citationGuo, X., Sun, C., Lin, R., Xia, A., Huang, Y., Zhu, X., Show, P. L. and Murphy, J. D. (2020) 'Effects of foam nickel supplementation on anaerobic digestion: Direct interspecies electron transfer', Journal of Hazardous Materials, 399, 122830 (10 pp). doi: 10.1016/j.jhazmat.2020.122830en
dc.identifier.doi10.1016/j.jhazmat.2020.122830en
dc.identifier.endpage10en
dc.identifier.issn0304-3894
dc.identifier.journaltitleJournal of Hazardous Materialsen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/10201
dc.identifier.volume399en
dc.language.isoenen
dc.publisherElsevieren
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/12/RC/2302/IE/Marine Renewable Energy Ireland (MaREI) - The SFI Centre for Marine Renewable Energy Research/en
dc.relation.projectinfo:eu-repo/grantAgreement/EC/H2020::MSCA-IF-EF-ST/797259/EU/Direct Interspecies Electron Transfer in advanced anaerobic digestion system for gaseous transport biofuel production/DIETen
dc.relation.urihttp://www.sciencedirect.com/science/article/pii/S0304389420308190
dc.rights© 2020 Elsevier B. V. All rights reserved. This manuscript version is made available under the CC BY-NC-ND 4.0 license.en
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectDirect interspecies electron transferen
dc.subjectMethane productionen
dc.subjectIndustrial wastewateren
dc.subjectBiofilmen
dc.subjectBiogasen
dc.titleEffects of foam nickel supplementation on anaerobic digestion: Direct interspecies electron transferen
dc.typeArticle (peer-reviewed)en
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