Performance evaluation of treating oil-containing restaurant wastewater in microbial fuel cell using in situ graphene/polyaniline modified titanium oxide anode

Most studies conducted nowadays to boost electrode performance in microbial fuel cell (MFC) have focused on carbonaceous materials. The titanium suboxides (Ti4O7, TS) are able to provide a new alternative for achieving better performance in MFC and have been tested and demonstrated in this study. Th...

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Veröffentlicht in:Environmental technology. - 1993. - 41(2020), 4 vom: 01. Jan., Seite 420-429
1. Verfasser: Li, ZhiLiang (VerfasserIn)
Weitere Verfasser: Yang, ShengKe, Song, Ya'nan, Xu, HaiYang, Wang, ZongZhou, Wang, WenKe, Zhao, YaQian
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Microbial fuel cell electrode material graphene oil-containing restaurant wastewater polyaniline Aniline Compounds Waste Water titanium dioxide 15FIX9V2JP mehr... Graphite 7782-42-5 Titanium D1JT611TNE
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520 |a Most studies conducted nowadays to boost electrode performance in microbial fuel cell (MFC) have focused on carbonaceous materials. The titanium suboxides (Ti4O7, TS) are able to provide a new alternative for achieving better performance in MFC and have been tested and demonstrated in this study. The Ti4O7 electrode with high electrochemical activity was modified by graphene/polyaniline by the constant potential method. Electrogenic microorganisms were more conducive to adhere to the anode electrode due to the presence of graphene/polyaniline. The MFC reactor with polyaniline /graphene modified TS (TSGP) anode achieves the highest voltage with 980 mV, and produces a peak power density of 2073 mW/m2, which is 2.9 and 12.7 times of those with the carbon cloth anode, respectively, at the 1000 Ω external resistance. In addition, this study evaluates the effects of anolyte conductivity, pH, and COD on the treatment of oil-containing restaurant wastewater (OCRW) in MFC using TSGP anode. The OCRW amended with 120 mS/cm obtains the lowest internal resistance (160.3 Ω). Increasing the anodic pH, gradually from acidic (pH 5.5) to alkaline conditions (pH 8.0), resulted in a gradual increase in maximum power density to 576.4 mW/m2 and a decrease in internal cell resistance to 203.7 Ω. The MFC at the COD 1500 mg/L could obtain steady-state output voltage during 103 h while removing up to 65.2% of the COD of the OCRW 
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650 4 |a electrode material 
650 4 |a graphene 
650 4 |a oil-containing restaurant wastewater 
650 4 |a polyaniline 
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700 1 |a Yang, ShengKe  |e verfasserin  |4 aut 
700 1 |a Song, Ya'nan  |e verfasserin  |4 aut 
700 1 |a Xu, HaiYang  |e verfasserin  |4 aut 
700 1 |a Wang, ZongZhou  |e verfasserin  |4 aut 
700 1 |a Wang, WenKe  |e verfasserin  |4 aut 
700 1 |a Zhao, YaQian  |e verfasserin  |4 aut 
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773 1 8 |g volume:41  |g year:2020  |g number:4  |g day:01  |g month:01  |g pages:420-429 
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