Potential of Biochar-Anode ina Ceramic-Separator Microbial Fuel Cell (CMFC)with a Laccase-Based Air Cathode
Pimprapa Chaijak, Chikashi Sato, Monthon Lertworapreecha, Chontisa Sukkasem +2
Representative MFC — matched on the paper’s system type only, not its reactor or geometry.
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- System
- MFC
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Abstract
A cost-effective biochar derived from rubber tree sawdust was prepared by low-temperature pyrolysis at 500C for 2 h. The biochar was placed as an anode electrode in the anode chamber of the novel model ceramic-separator microbial fuel cell (CMFC) with a laccase-based air cathode. The rubber wastewater (with 500 mg/L sulfate and 1000 mg/L COD) was used as an anolyte. Maximal volumetric power density (PD) of 3.260.08 W/m 3 , maximal volumetric current density of 3.200.07 mA/m 3 , and system internal resistance of 1002 were obtained. The post-treatment results showed sulfate removal and COD removal efficiencies of 88.261.29% and 89.770.45%, respectively. Our work provided a novel model of a low-cost and economically friendly MFC system. Moreover, this work demonstrated a potential route based on sustainable and economical biochar as a bio-anode for wastewater treatment in an MFC.
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Identifiers
- Journal
- Polish Journal of Environmental Studies
- Year
- 2019