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Factors affecting the performance of microbial fuel cells for sulfide and vanadium (V) treatment

机译:影响微生物燃料电池硫化和钒(V)处理性能的因素

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摘要

Sulfide and vanadium (V) are pollutants commonly found in wastewaters. A novel approach has been investigated using microbial fuel cell (MFC) technologies by employing sulfide and V(V) as electron donor and acceptor, respectively. This results in oxidizing sulfide and deoxidizing V(V) simultaneously. A series of operating parameters as initial concentration, conductivity, pH, external resistance were carefully examined. The results showed that these factors greatly affected the performance of the MFCs. The average removal rates of about 82.2 and 26.1% were achieved within 72 h operation for sulfide and V(V), respectively, which were accompanied by the maximum power density of about 614.1 mW m~(-2) under all tested conditions. The products generated during MFC operation could be deposited, resulting in removing sulfide and V(V) from wastewaters thoroughly.
机译:硫化物和钒(V)是废水中常见的污染物。使用微生物燃料电池(MFC)技术研究了一种新颖的方法,分别采用硫化物和V(V)作为电子给体和受体。这导致同时氧化硫化物和使V(V)脱氧。仔细检查了一系列操作参数,如初始浓度,电导率,pH,外部电阻。结果表明,这些因素极大地影响了MFC的性能。硫化物和V(V)在72小时的运行中平均去除率分别达到了约82.2和26.1%,在所有测试条件下,其最大功率密度均约为614.1 mW m〜(-2)。 MFC操作过程中产生的产物可能会沉积,从而彻底去除废水中的硫化物和V(V)。

著录项

  • 来源
    《Bioprocess and Biosystems Engineering》 |2010年第2期|187-194|共8页
  • 作者单位

    Department of Environmental Engineering, Peking University,The Key Laboratory of Water and Sediment Sciences,Ministry of Education, 100871 Beijing, China;

    Guangdong Key Laboratory of Agricultural Environment Pollution Integrated Control,Guangdong Institute of Eco-Environment and Soil Sciences,510650 Guangzhou, China;

    Department of Environmental Engineering, University of Science and Technology Beijing, 100083 Beijing, China;

    Department of Environmental Engineering, Peking University,The Key Laboratory of Water and Sediment Sciences,Ministry of Education, 100871 Beijing, China;

    Department of Environmental Engineering, Peking University,The Key Laboratory of Water and Sediment Sciences,Ministry of Education, 100871 Beijing, China;

    Department of Environmental Engineering, Peking University,The Key Laboratory of Water and Sediment Sciences,Ministry of Education, 100871 Beijing, China;

    Department of Environmental Engineering, University of Science and Technology Beijing, 100083 Beijing, China;

    Department of Environmental Engineering, Peking University,The Key Laboratory of Water and Sediment Sciences,Ministry of Education, 100871 Beijing, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    sulfide; microbial fuel cells; vanadium (V); electricity generation; wastewater treatment;

    机译:硫化物微生物燃料电池钒(V);发电;废水处理;

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