一把双刃剑:构建的湿地微生物燃料电池通过捕获促进有机物去除
Jun Yan1, Xuebin Hu2, Mengli Chen2
1College of Environment and Ecology, Chongqing University, Chongqing, PR China; College of Environmental Science and Engineering, Guilin University of Technology, Guilin, PR China; Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing, PR China.
The Science of the total environment
|September 20, 2023
概括
建造的湿地微生物燃料电池 (CW-MFC) 在电路关闭时会去除更多的有机物,但由于有机物被困和微生物代谢,能量输出较低. 这凸显了需要谨慎操作,以防止有机物过度积累.
科学领域:
- 环境科学 环境科学
- 生物技术是生物技术.
- 电化学 电化学 电化学
背景情况:
- 构建的湿地微生物燃料电池 (CW-MFCs) 通过外部电路连接来改善有机清除.
- 在CW-MFC中,增强的有机去除和低能量输出之间的差异需要调查.
研究的目的:
- 在封闭和开放电路下比较CW-MFC微观宇宙中的有机变化.
- 为了阐明低能产的原因,尽管在CW-MFC中加强了有机去除.
主要方法:
- 在封闭和开放电路条件下对CW-MFC微观宇宙进行比较分析.
- 监测有机化合物和碳代谢物中的动态变化.
- 通过聚基酸盐积累对微生物代谢的分析.
主要成果:
- 封闭电路在代谢物排放之前增加了9%的有机去除,这表明有机物被困的程度很高.
- 聚甲基酸盐的积累表明,在食批次操作中,存在一个饥饿的微生物代谢模式.
- 长时间运行导致碳气体排放增加,并提高了库伦比效率.
结论:
- 通过封闭电路促进的有机物捕获,解释了高COD去除与低电力产量的原因.
- 在MFC中,储备批量运行可能会导致盛宴饥荒周期和潜在的碳气体排放.
- 建议在MFC集成时谨慎使用,以防止有机物过度积累并确保系统安全.
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