Activated Carbon Cloth as Anode for Sulfate Removal in a Microbial Fuel Cell
By employing the sulfate-reducing bacterium Desulfovibrio desulfuricans we demonstrate the possibility of electricity generation in a microbial fuel cell (MFC) with concomitant sulfate removal. This approach is based on an in situ anodic oxidative depletion of sulfide produced by D. desulfuricans. T...
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| Veröffentlicht in: | Environmental science & technology 2008-07, Vol.42 (13), p.4971-4976 |
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| creator | Zhao, Feng Rahunen, Nelli Varcoe, John R Chandra, Amreesh Avignone-Rossa, Claudio Thumser, Alfred E Slade, Robert C. T |
| description | By employing the sulfate-reducing bacterium Desulfovibrio desulfuricans we demonstrate the possibility of electricity generation in a microbial fuel cell (MFC) with concomitant sulfate removal. This approach is based on an in situ anodic oxidative depletion of sulfide produced by D. desulfuricans. Three different electrode materials, graphite foil (GF), carbon fiber veil (CFV), and high surface area activated carbon cloth (ACC), were evaluated for sulfide electrochemical oxidation. In comparison to CFV and GF electrodes, ACC was a superior material for sulfide adsorption and oxidation and showed significant potential for harvesting energy from sulfate-rich solutions in the form of electricity. Sulfate (3.03 g dm−3) was removed from a bacterial suspension, which represented 99% removal. A maximum power density of 0.51 mW cm−2 (normalized to geometric electrode area) was obtained with a one-chamber, air-breathing cathode and continuous flow MFC operated in batch mode at 22 °C. |
| doi_str_mv | 10.1021/es8003766 |
| format | Article |
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Sulfate (3.03 g dm−3) was removed from a bacterial suspension, which represented 99% removal. A maximum power density of 0.51 mW cm−2 (normalized to geometric electrode area) was obtained with a one-chamber, air-breathing cathode and continuous flow MFC operated in batch mode at 22 °C.</description><subject>Activated carbon</subject><subject>Adsorption</subject><subject>Applied sciences</subject><subject>Bacteria</subject><subject>Biodegradation, Environmental</subject><subject>Bioreactors</subject><subject>Carbon</subject><subject>Charcoal - metabolism</subject><subject>Chromatography, Ion Exchange</subject><subject>Comparative analysis</subject><subject>Desulfovibrio desulfuricans</subject><subject>Desulfovibrio desulfuricans - metabolism</subject><subject>Electricity generation</subject><subject>Electrochemistry</subject><subject>Electrodes</subject><subject>Energy-Generating Resources</subject><subject>Exact sciences and technology</subject><subject>Fuel cells</subject><subject>Oxidation</subject><subject>Oxidation-Reduction</subject><subject>Pollution</subject><subject>Sulfates - metabolism</subject><subject>Sustainability Engineering and Green Chemistry</subject><subject>Waste Disposal, Fluid - methods</subject><issn>0013-936X</issn><issn>1520-5851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpl0N9r1EAQB_BFFHttffAfkEUQ8SE6s7_zeET7A64ovYq-LZtkg6m5bLubFPvfu-WOO9CnYZgPw8yXkNcIHxEYfvLJAHCt1DOyQMmgkEbic7IAQF6UXP08Iscp3QIA42BekiM0ShvgckFWy2bqH9zkW1q5WIeRVkOYflGX6HIMraddiHQ9D10m9NpvwoMbaD9SR6_6Joa6z-3Z7Ada-WE4JS86NyT_aldPyPezLzfVRbH6en5ZLVeFk6CmQnWdkLJl3DSidqickLqU3BmBea6x9F1tWoS2A2i4QYWM5461gmllasZPyPvt3rsY7mefJrvpU5MPcKMPc7JaCimQ4ZN8-4-8DXMc83E2R4ECeAkZfdii_FBK0Xf2LvYbFx8tgn0K2O4DzvbNbuFcb3x7kLtEM3i3Ay41buiiG5s-7R0DYQBVmV2xdX2a_J_93MXfVmmupb35trafGV6tf5xrC4e9rkmHJ_4_8C8efJkb</recordid><startdate>20080701</startdate><enddate>20080701</enddate><creator>Zhao, Feng</creator><creator>Rahunen, Nelli</creator><creator>Varcoe, John R</creator><creator>Chandra, Amreesh</creator><creator>Avignone-Rossa, Claudio</creator><creator>Thumser, Alfred E</creator><creator>Slade, Robert C. 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T</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Activated Carbon Cloth as Anode for Sulfate Removal in a Microbial Fuel Cell</atitle><jtitle>Environmental science & technology</jtitle><addtitle>Environ. Sci. Technol</addtitle><date>2008-07-01</date><risdate>2008</risdate><volume>42</volume><issue>13</issue><spage>4971</spage><epage>4976</epage><pages>4971-4976</pages><issn>0013-936X</issn><eissn>1520-5851</eissn><coden>ESTHAG</coden><abstract>By employing the sulfate-reducing bacterium Desulfovibrio desulfuricans we demonstrate the possibility of electricity generation in a microbial fuel cell (MFC) with concomitant sulfate removal. This approach is based on an in situ anodic oxidative depletion of sulfide produced by D. desulfuricans. Three different electrode materials, graphite foil (GF), carbon fiber veil (CFV), and high surface area activated carbon cloth (ACC), were evaluated for sulfide electrochemical oxidation. 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| ispartof | Environmental science & technology, 2008-07, Vol.42 (13), p.4971-4976 |
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| subjects | Activated carbon Adsorption Applied sciences Bacteria Biodegradation, Environmental Bioreactors Carbon Charcoal - metabolism Chromatography, Ion Exchange Comparative analysis Desulfovibrio desulfuricans Desulfovibrio desulfuricans - metabolism Electricity generation Electrochemistry Electrodes Energy-Generating Resources Exact sciences and technology Fuel cells Oxidation Oxidation-Reduction Pollution Sulfates - metabolism Sustainability Engineering and Green Chemistry Waste Disposal, Fluid - methods |
| title | Activated Carbon Cloth as Anode for Sulfate Removal in a Microbial Fuel Cell |
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