A New Technology of Microbial Fuel Cell for Treating both Sewage and Wastewater of Heavy Metal
Yong Juan Zhang, Min Zhang, Xin Yao, Yong Feng Li
AI summary
70% confidenceA microbial fuel cell (MFC) was used to treat organic wastewater and heavy metal wastewater, with copper and silver ions as cathode solutions, achieving varying levels of voltage, power density, and COD removal rates.
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Open in lab →What they did
- System
- MFC
What worked
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Abstract
Microbial fuel cell (MFC) was used to treat organic wastewater and heavy metal waste water treatment in this test. At the same time, organic waste water tank with the oxidation is taken as the battery anode; heavy metal waste water tank with reduction is taken as the cathode of the battery. The results showed that under the same conditions, with copper ion solution as a cathode liquid solution of MFC, the maximum voltage was 61.6mV, the maximum electric power density was 147.4 mW / cm², and COD removal rate was relatively stable, and reached 68.67%; but when copper ion solution was taken as cathode solution, the maximum voltage was 36.9mV, the maximum electric power density was 43.7 mW / cm², and COD removal rate changed heavily and reached 58.62%. The results shows that from the point of produce electricity and wastewater treatment, silver ions are better than copper.
Key findings
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Keywords
Identifiers
- Journal
- Advanced Materials Research
- Year
- 2010