Substrate removal and electricity generation in a membrane-less microbial fuel cell for biological treatment of wastewater
•A new membrane-less MFC with a biocathode was developed.•A power density of 30mW/m2 and 75.9% substrate degradation efficiency were achieved.•Pyrosequencing identified Bacteroidia as electron donors in the anode.•Coulombic efficiencies varied from 19.8% to 58.1%. Microbial fuel cells have gained po...
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| Veröffentlicht in: | Bioresource technology 2013-06, Vol.138, p.109-116 |
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| creator | Wang, Haiping Jiang, Sunny C. Wang, Yun Xiao, Bo |
| description | •A new membrane-less MFC with a biocathode was developed.•A power density of 30mW/m2 and 75.9% substrate degradation efficiency were achieved.•Pyrosequencing identified Bacteroidia as electron donors in the anode.•Coulombic efficiencies varied from 19.8% to 58.1%.
Microbial fuel cells have gained popularity in recent years due to its promise in converting organic wastewater into renewable electrical energy. In this study, a membrane-less MFC with a biocathode was developed to evaluate its performance in electricity generation while simultaneously treating wastewater. The MFC fed with a continuous flow of 2g/day acetate produced a power density of 30mW/m2 and current density of 245mA/m2. A substrate degradation efficiency (SDE) of 75.9% was achieved with 48.7% attributed to the anaerobic process and 27.2% to the aerobic process. Sequencing analysis of the microbial consortia using 16S rDNA pryosequencing showed the predominance of Bacteroidia in the anode after one month of operation, while the microbial community in the cathode chamber was dominated by Gamma-proteobacteria and Beta-proteobacteria. Coulombic efficiencies varied from 19.8% to 58.1% using different acetate concentrations, indicating power density can be further improved through the accumulation of electron-transferring bacteria. |
| doi_str_mv | 10.1016/j.biortech.2013.03.172 |
| format | Article |
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Microbial fuel cells have gained popularity in recent years due to its promise in converting organic wastewater into renewable electrical energy. In this study, a membrane-less MFC with a biocathode was developed to evaluate its performance in electricity generation while simultaneously treating wastewater. The MFC fed with a continuous flow of 2g/day acetate produced a power density of 30mW/m2 and current density of 245mA/m2. A substrate degradation efficiency (SDE) of 75.9% was achieved with 48.7% attributed to the anaerobic process and 27.2% to the aerobic process. Sequencing analysis of the microbial consortia using 16S rDNA pryosequencing showed the predominance of Bacteroidia in the anode after one month of operation, while the microbial community in the cathode chamber was dominated by Gamma-proteobacteria and Beta-proteobacteria. Coulombic efficiencies varied from 19.8% to 58.1% using different acetate concentrations, indicating power density can be further improved through the accumulation of electron-transferring bacteria.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2013.03.172</identifier><identifier>PMID: 23612168</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Acetates ; Acetates - pharmacology ; Applied sciences ; Archaea - drug effects ; Archaea - growth & development ; Bacteria ; Bacteria - drug effects ; Bacteria - growth & development ; Bacterial community ; Biocathode ; Biochemical fuel cells ; Biodegradation, Environmental - drug effects ; Biodiversity ; Bioelectric Energy Sources - microbiology ; Biofuel production ; Biological and medical sciences ; Biological treatment of waters ; Biotechnology ; Density ; Electric power generation ; Electricity ; Electricity generation ; Electrodes ; Energy ; Environment and pollution ; Exact sciences and technology ; Fundamental and applied biological sciences. Psychology ; Industrial applications and implications. Economical aspects ; Membranes, Artificial ; Microbial fuel cell ; Microorganisms ; Pollution ; Waste water ; Waste Water - chemistry ; Waste Water - microbiology ; Wastewaters ; Water Pollutants, Chemical - isolation & purification ; Water Purification - methods ; Water treatment and pollution</subject><ispartof>Bioresource technology, 2013-06, Vol.138, p.109-116</ispartof><rights>2013 Elsevier Ltd</rights><rights>2014 INIST-CNRS</rights><rights>Copyright © 2013 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c530t-6c35cfb8df4512686ba9edeaa38f94a27eda874766bdec42c1fc15fae955a6e13</citedby><cites>FETCH-LOGICAL-c530t-6c35cfb8df4512686ba9edeaa38f94a27eda874766bdec42c1fc15fae955a6e13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.biortech.2013.03.172$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3541,27915,27916,45986</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27433998$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23612168$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, Haiping</creatorcontrib><creatorcontrib>Jiang, Sunny C.</creatorcontrib><creatorcontrib>Wang, Yun</creatorcontrib><creatorcontrib>Xiao, Bo</creatorcontrib><title>Substrate removal and electricity generation in a membrane-less microbial fuel cell for biological treatment of wastewater</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>•A new membrane-less MFC with a biocathode was developed.•A power density of 30mW/m2 and 75.9% substrate degradation efficiency were achieved.•Pyrosequencing identified Bacteroidia as electron donors in the anode.•Coulombic efficiencies varied from 19.8% to 58.1%.
Microbial fuel cells have gained popularity in recent years due to its promise in converting organic wastewater into renewable electrical energy. In this study, a membrane-less MFC with a biocathode was developed to evaluate its performance in electricity generation while simultaneously treating wastewater. The MFC fed with a continuous flow of 2g/day acetate produced a power density of 30mW/m2 and current density of 245mA/m2. A substrate degradation efficiency (SDE) of 75.9% was achieved with 48.7% attributed to the anaerobic process and 27.2% to the aerobic process. Sequencing analysis of the microbial consortia using 16S rDNA pryosequencing showed the predominance of Bacteroidia in the anode after one month of operation, while the microbial community in the cathode chamber was dominated by Gamma-proteobacteria and Beta-proteobacteria. Coulombic efficiencies varied from 19.8% to 58.1% using different acetate concentrations, indicating power density can be further improved through the accumulation of electron-transferring bacteria.</description><subject>Acetates</subject><subject>Acetates - pharmacology</subject><subject>Applied sciences</subject><subject>Archaea - drug effects</subject><subject>Archaea - growth & development</subject><subject>Bacteria</subject><subject>Bacteria - drug effects</subject><subject>Bacteria - growth & development</subject><subject>Bacterial community</subject><subject>Biocathode</subject><subject>Biochemical fuel cells</subject><subject>Biodegradation, Environmental - drug effects</subject><subject>Biodiversity</subject><subject>Bioelectric Energy Sources - microbiology</subject><subject>Biofuel production</subject><subject>Biological and medical sciences</subject><subject>Biological treatment of waters</subject><subject>Biotechnology</subject><subject>Density</subject><subject>Electric power generation</subject><subject>Electricity</subject><subject>Electricity generation</subject><subject>Electrodes</subject><subject>Energy</subject><subject>Environment and pollution</subject><subject>Exact sciences and technology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Industrial applications and implications. Economical aspects</subject><subject>Membranes, Artificial</subject><subject>Microbial fuel cell</subject><subject>Microorganisms</subject><subject>Pollution</subject><subject>Waste water</subject><subject>Waste Water - chemistry</subject><subject>Waste Water - microbiology</subject><subject>Wastewaters</subject><subject>Water Pollutants, Chemical - isolation & purification</subject><subject>Water Purification - methods</subject><subject>Water treatment and pollution</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkUtv1TAQRi0EopfCX6i8QWKT4Ff82IEqXlIlFsDacpxx8VUSF9tpVX49vrq3sCwrW_IZz8x3ELqgpKeEyrf7fowpV_A_e0Yo7wnvqWJP0I5qxTtmlHyKdsRI0umBiTP0opQ9IYQ36Dk6Y1xSRqXeod_ftrHU7CrgDEu6dTN264RhBl9z9LHe42tYoQExrTiu2OEFljG7FboZSsFL9DmNsdWFDWbsYW63lHEbb07X0beHmsHVBdaKU8B3rlS4a_3yS_QsuLnAq9N5jn58_PD98nN39fXTl8v3V50fOKmd9HzwYdRTEANlUsvRGZjAOa6DEY4pmJxWQkk5TuAF8zR4OgQHZhicBMrP0Zvjvzc5_dqgVLvEcpiz7ZC2YqkUjEmuyX-gAyFKGqX14ygfuFBKSNNQeURbUqVkCPYmx8Xle0uJPdi0e_tg0x5sWsJtE9UKL049tnGB6W_Zg74GvD4BrrSkQ9PiY_nHKcG5MQfu3ZGDlvNthGyLj7B6mGJuou2U4mOz_AEds8OG</recordid><startdate>20130601</startdate><enddate>20130601</enddate><creator>Wang, Haiping</creator><creator>Jiang, Sunny C.</creator><creator>Wang, Yun</creator><creator>Xiao, Bo</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QH</scope><scope>7QO</scope><scope>7ST</scope><scope>7T7</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H97</scope><scope>L.G</scope><scope>P64</scope><scope>SOI</scope><scope>7SP</scope><scope>7SU</scope><scope>7TB</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20130601</creationdate><title>Substrate removal and electricity generation in a membrane-less microbial fuel cell for biological treatment of wastewater</title><author>Wang, Haiping ; Jiang, Sunny C. ; Wang, Yun ; Xiao, Bo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c530t-6c35cfb8df4512686ba9edeaa38f94a27eda874766bdec42c1fc15fae955a6e13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Acetates</topic><topic>Acetates - pharmacology</topic><topic>Applied sciences</topic><topic>Archaea - drug effects</topic><topic>Archaea - growth & development</topic><topic>Bacteria</topic><topic>Bacteria - drug effects</topic><topic>Bacteria - growth & development</topic><topic>Bacterial community</topic><topic>Biocathode</topic><topic>Biochemical fuel cells</topic><topic>Biodegradation, Environmental - drug effects</topic><topic>Biodiversity</topic><topic>Bioelectric Energy Sources - microbiology</topic><topic>Biofuel production</topic><topic>Biological and medical sciences</topic><topic>Biological treatment of waters</topic><topic>Biotechnology</topic><topic>Density</topic><topic>Electric power generation</topic><topic>Electricity</topic><topic>Electricity generation</topic><topic>Electrodes</topic><topic>Energy</topic><topic>Environment and pollution</topic><topic>Exact sciences and technology</topic><topic>Fundamental and applied biological sciences. 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Microbial fuel cells have gained popularity in recent years due to its promise in converting organic wastewater into renewable electrical energy. In this study, a membrane-less MFC with a biocathode was developed to evaluate its performance in electricity generation while simultaneously treating wastewater. The MFC fed with a continuous flow of 2g/day acetate produced a power density of 30mW/m2 and current density of 245mA/m2. A substrate degradation efficiency (SDE) of 75.9% was achieved with 48.7% attributed to the anaerobic process and 27.2% to the aerobic process. Sequencing analysis of the microbial consortia using 16S rDNA pryosequencing showed the predominance of Bacteroidia in the anode after one month of operation, while the microbial community in the cathode chamber was dominated by Gamma-proteobacteria and Beta-proteobacteria. Coulombic efficiencies varied from 19.8% to 58.1% using different acetate concentrations, indicating power density can be further improved through the accumulation of electron-transferring bacteria.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>23612168</pmid><doi>10.1016/j.biortech.2013.03.172</doi><tpages>8</tpages></addata></record> |
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| ispartof | Bioresource technology, 2013-06, Vol.138, p.109-116 |
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| subjects | Acetates Acetates - pharmacology Applied sciences Archaea - drug effects Archaea - growth & development Bacteria Bacteria - drug effects Bacteria - growth & development Bacterial community Biocathode Biochemical fuel cells Biodegradation, Environmental - drug effects Biodiversity Bioelectric Energy Sources - microbiology Biofuel production Biological and medical sciences Biological treatment of waters Biotechnology Density Electric power generation Electricity Electricity generation Electrodes Energy Environment and pollution Exact sciences and technology Fundamental and applied biological sciences. Psychology Industrial applications and implications. Economical aspects Membranes, Artificial Microbial fuel cell Microorganisms Pollution Waste water Waste Water - chemistry Waste Water - microbiology Wastewaters Water Pollutants, Chemical - isolation & purification Water Purification - methods Water treatment and pollution |
| title | Substrate removal and electricity generation in a membrane-less microbial fuel cell for biological treatment of wastewater |
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