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Simulation of the effects of direct electric current on multispecies biofilms
Alternative TitleProcess Biochem.
Cao, HB; Li, XG; Wu, JC; Yu, KT; Zhang, Y
2003-03-28
Source PublicationPROCESS BIOCHEMISTRY
ISSN1359-5113
Volume38Issue:8Pages:1139-1145
AbstractA steady-state model was developed to predict the biofilm thickness, microbial distribution and substrate fluxes based on the microbial interactions in multispecies biofilms under the action of an electric field. The experimental evaluations were carried out in completely mixed biofilm reactors where nitrifying bacteria compete with glucose-utilizing heterotrophs. The experimental results showed that the model successfully describe the competition of the two types of bacteria. The biofilm thickness and flux of NH4+ increases with increasing electric field strength, whilst the flux of glucose slightly decreases. In addition, increasing the current density not only forces autotrophs and heterotrophs to move into the deeper biofilm but also decreases the biofilm thickness and substrate fluxes. (C) 2002 Elsevier Science Ltd. All rights reserved.; A steady-state model was developed to predict the biofilm thickness, microbial distribution and substrate fluxes based on the microbial interactions in multispecies biofilms under the action of an electric field. The experimental evaluations were carried out in completely mixed biofilm reactors where nitrifying bacteria compete with glucose-utilizing heterotrophs. The experimental results showed that the model successfully describe the competition of the two types of bacteria. The biofilm thickness and flux of NH4+ increases with increasing electric field strength, whilst the flux of glucose slightly decreases. In addition, increasing the current density not only forces autotrophs and heterotrophs to move into the deeper biofilm but also decreases the biofilm thickness and substrate fluxes. (C) 2002 Elsevier Science Ltd. All rights reserved.
KeywordDirect Electric Current Biofilm Autotrophs Heterotrophs Electromigration
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS KeywordDENITRIFICATION ; BACTERIA ; METABOLISM ; REMOVAL
WOS Research AreaBiochemistry & Molecular Biology ; Biotechnology & Applied Microbiology ; Engineering
WOS SubjectBiochemistry & Molecular Biology ; Biotechnology & Applied Microbiology ; Engineering, Chemical
WOS IDWOS:000183045700003
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Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5349
Collection研究所(批量导入)
Affiliation1.Tianjin Univ, Sch Chem Engn & Technol, Chem Engn Res Ctr, Tianjin 300072, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Cao, HB,Li, XG,Wu, JC,et al. Simulation of the effects of direct electric current on multispecies biofilms[J]. PROCESS BIOCHEMISTRY,2003,38(8):1139-1145.
APA Cao, HB,Li, XG,Wu, JC,Yu, KT,&Zhang, Y.(2003).Simulation of the effects of direct electric current on multispecies biofilms.PROCESS BIOCHEMISTRY,38(8),1139-1145.
MLA Cao, HB,et al."Simulation of the effects of direct electric current on multispecies biofilms".PROCESS BIOCHEMISTRY 38.8(2003):1139-1145.
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