期刊
JOURNAL OF POWER SOURCES
卷 528, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2022.231208
关键词
Microbial fuel cell; Catalytic cathode; Power generation; Pollutant removal; Radioactive wastewater; Resource recovery
资金
- Major Scientific and Technological Innovation Projects of Key R&D Programs in Shandong Province of China [2019JZZY020234]
- Natural Foundation of Shandong Province of China [ZR2020MB115]
- Natural Science Foundation of Jiangsu Province [BK20181074]
- The science and technology project of Sichuan Province [2019YJ0262]
- Graduate Innovation Foundation of Yantai University, GIFYTU
In this study, a dual-chamber microbial fuel cell (MFC) with a carbon-felt based Iron/Magnesium/Zirconium polycrystalline catalytic cathode was constructed to remove radioactive ions in low concentration nuclear industry wastewater. The MFC showed a steady voltage output and a high removal efficiency for radioactive ions, allowing for electricity production while treating the wastewater.
Recently, the treatment of nuclear industry wastewater has attracted much attention. However, due to the high energy consumption and low removal efficiency of the traditional treatment method, it is not suitable for the treatment of nuclear industry wastewater. Here, a dual-chamber Microbial fuel cell (MFC) with carbon-felt based Iron/Magnesium/Zirconium polycrystalline catalytic cathode is constructed to remove radioactive ions in low concentration nuclear industry wastewater. After biofilm formation on the anode surface, a steady voltage output of 0.8 V is recorded, and the dual-chamber microbial fuel cell obtains a maximum power density of 1.4 W m(-2) at the catholyte of pH 2, which is superior to Pt/C cathode. Moreover, the removal efficiency of the dual chamber microbial fuel cell for radioactive ions exceeds 80%, and the removal efficiency for lanthanum and cerium is over 98% at the ion concentration of 5 mg L-1. This low-cost and high-performance bioelectrochemical system (BES) called microbial fuel cells opens a new exploration door to remove radioactive ions in nuclear industry wastewater with electricity production.
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