Surface properties of activated sludge-derived biochar determine the facilitating effects on Geobacter co-cultures
Zhang, Peng; Zheng, Shiling; Liu, Jia; Wang, Bingchen; Liu, Fanghua; Feng, Yujie
Source PublicationWATER RESEARCH
ISSN0043-1354
2018-10-01
Volume142Pages:441-451
KeywordBiochar Geobacter Surface functional group Conductivity Surface charge
MOST Discipline CatalogueEngineering ; Environmental Sciences & Ecology ; Water Resources
DOI10.1016/j.watres.2018.05.058
Contribution Rank[Zhang, Peng; Liu, Jia; Feng, Yujie] Harbin Inst Technol, Sch Environm, State Key Lab Urban Water Resource & Environm, 73 Huanghe Rd, Harbin 150090, Heilongjiang, Peoples R China; [Zheng, Shiling; Wang, Bingchen; Liu, Fanghua] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Biol Resources Utilizat, 17 Chunhui Rd, Yantai 264003, Shandong, Peoples R China
Department海岸带生物学与生物资源保护实验室
AbstractBiochar has been reported to facilitate direct interspecies electron transfer (DIET) in co-cultures between Geobacter metallireducens and Geobacter sulfurreducens, a model defined co-culture system. In this study, the biochar derived from the activated sludge with different pyrolysis temperature was added to the co-cultures, the ethanol metabolism rates (Re) and succinate production rates (Rs) of co-culture with biochar-800 were 1.05- and 1.42-fold higher than that without addition. The results suggested that the conductivity of the biochar did not correlate with the facilitating effect of the biochar on the co-culture metabolism. Furthermore, the surface functional group and surface charge of biochar may also influence the facilitating effect on the interspecies electron transfer between the two Geobacter cells. Based on these results, it supported that the electron transfer depending on the charging and discharging process of the surface functional groups might play a major role in facilitating the direct electron transfer process by the biochar derived from activated sludge here. This study could shed light on the better understanding of the bacteria-biochar electron transfer system and the potential utilization of the biochar in the environmental wastewater treatments. (C) 2018 Elsevier Ltd. All rights reserved.
SubtypeArticle
Funding OrganizationNational Key R&D Program of China [2016YFC0401101] ; National Natural Science Fund of China [51408156] ; European Union [2014DFE90110] ; National Natural Science Foundation of China [91751112, 41573071]
Indexed BySCI
Language英语
WOS KeywordINTERSPECIES ELECTRON-TRANSFER ; ANAEROBIC GRANULAR SLUDGE ; MICROBIAL FUEL-CELLS ; HUMIC SUBSTANCES ; SEWAGE-SLUDGE ; ELECTROCHEMICAL-BEHAVIOR ; ELECTRICITY-GENERATION ; PYROLYSIS TEMPERATURE ; PADDY SOIL ; CARBON
WOS Research AreaEngineering, Environmental ; Environmental Sciences ; Water Resources
WOS IDWOS:000440125800043
Citation statistics
Cited Times:55[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/24421
Collection海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室
Affiliation1.Harbin Inst Technol, Sch Environm, State Key Lab Urban Water Resource & Environm, 73 Huanghe Rd, Harbin 150090, Heilongjiang, Peoples R China;
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Biol Resources Utilizat, 17 Chunhui Rd, Yantai 264003, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Peng,Zheng, Shiling,Liu, Jia,et al. Surface properties of activated sludge-derived biochar determine the facilitating effects on Geobacter co-cultures[J]. WATER RESEARCH,2018,142:441-451.
APA Zhang, Peng,Zheng, Shiling,Liu, Jia,Wang, Bingchen,Liu, Fanghua,&Feng, Yujie.(2018).Surface properties of activated sludge-derived biochar determine the facilitating effects on Geobacter co-cultures.WATER RESEARCH,142,441-451.
MLA Zhang, Peng,et al."Surface properties of activated sludge-derived biochar determine the facilitating effects on Geobacter co-cultures".WATER RESEARCH 142(2018):441-451.
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