采用新型阳极结构和低成本组件的微生物燃料电池性能评价

IF 1 Q4 ENGINEERING, ENVIRONMENTAL
S. Ambekar, M. Ghangrekar
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引用次数: 1

摘要

微生物燃料电池(MFC)已被证明是一种有效的废水处理技术,具有发电的额外优势。尽管在过去的十年里,所获得的功率密度增加了许多倍,但需要降低处理成本和发电成本,以使该工艺可行。在目前的研究中,已经尝试使用当地可用的、低成本和有效的材料来构建使用新型阳极结构的MFC。MFC是在单个细胞中使用多个膜制成的。阳极的特殊设计被证明在获得更高的功率密度方面是非常有效的。2002年的体积功率密度 mW/m3可以在不使用任何化学阴极电解液的情况下实现。相应的库仑效率为13.17%。当使用化学阴极电解液时,功率密度增加到5201 mW/m3,增加了2.5倍以上。MFC的相应库仑效率也增加到29.16%。这种新颖的阳极结构可以使这项技术在实际应用中向前迈进一步,从废水中获取碳中和的电力。MFC对废水COD的去除率为93.9~97.75%,令人满意。发现去除效率与底物的初始COD无关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Performance evaluation of microbial fuel cell using novel anode architecture and with low cost components
Microbial fuel cell (MFC) has proved to be an effective technology for treatment of wastewater with additional advantage of electricity generation. Though the power density obtained has increased many- folds over a last decade, the cost of treatment and cost of the electricity generation need to be brought down to make the process feasible. In the present research, an attempt has been made to use locally available, low cost and effective materials for the construction of the MFC using novel anode architecture. The MFC was made using multiple membranes in the single cell. The special design of anode proved to be very effective in getting higher power density. The volumetric power density of 2002 mW/m3 could be achieved without use of any chemical catholyte. The corresponding Coulombic efficiency obtained was 13.17%. When chemical catholyte was used, the power density increased to 5201 mW/m3, an increase by more than 2.5 times. The corresponding Coulombic efficiency of the MFC also increased to 29.16 %. Such novel anode architecture could take this technology step forward for practical implementation to harvest carbon neutral electricity from wastewater. The performance of MFC in the removal of COD from wastewater was found to be 93.9 to 97.75% which is highly satisfactory. The removal efficiency was found to be independent of the initial COD of the substrate.
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来源期刊
CiteScore
1.60
自引率
0.00%
发文量
20
审稿时长
12 months
期刊介绍: Journal of Environmental Engineering and Science is an international, peer-reviewed publication providing a forum for the dissemination of environmental research, encouraging interdisciplinary research collaboration to address environmental problems. It addresses all aspects of environmental engineering and applied environmental science, with the exception of noise, radiation and light.
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