Wood carbon electrode in microbial fuel cell enhances chromium reduction and bioelectricity generation

文献类型： 外文期刊

第一作者： Ni, Hongyuhang

作者： Ni, Hongyuhang;Khan, Aman;Gong, Yuxin;Ali, Gohar;Liu, Pu;Li, Xiangkai;Ni, Hongyuhang;Yang, Zi;Chen, Fengjuan;Gong, Yuxin

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关键词： Wood electrode; MFC; Cr(VI); Bioreduction; Electricity generation

期刊名称：ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH （ 影响因子：4.223； 五年影响因子：4.306 ）

ISSN： 0944-1344

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收录情况： SCI

摘要： Microbial fuel cell (MFC) is a recommended treatment to remediate hexavalent chromium (Cr(VI)) in wastewater. In this study, a wood carbon (WC) electrode was introduced in MFC to enhance the Cr(VI) removal efficiency. WC electrode in MFC completely removed Cr(VI) as compared to the carbon cloth (31.12%) and carbon felt (34.83) within 48 h of operation at 20 mg L-1 of Cr(VI) concentration. The maximum power density of WC electrode was 62.59 mW m(-2) higher than 0.115 and 3.154 mW m(-2) of carbon cloth and felt respectively. The specific surface area of WC increased to 158.47 m(-2) g(-1) after high-temperature carbonization, and electrochemical tests indicate it has higher electrocatalytic ability. Therefore, WC might be a good electrode material to effectively remove Cr(VI) and generate bioelectricity simultaneously.

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